SELECT 
  cscart_bm_snapping.grid_id as grid_id, 
  cscart_bm_snapping.block_id as block_id, 
  IFNULL(
    dynamic_object_content.content, 
    default_content.content
  ) as content, 
  IFNULL(
    dynamic_object_content.object_id, 
    default_content.object_id
  ) AS object_id, 
  IFNULL(
    dynamic_object_content.object_type, 
    default_content.object_type
  ) AS object_type, 
  cscart_bm_block_statuses.object_ids as object_ids, 
  cscart_bm_snapping.*, 
  cscart_bm_blocks.*, 
  cscart_bm_blocks_descriptions.* 
FROM 
  cscart_bm_snapping 
  LEFT JOIN cscart_bm_blocks ON cscart_bm_blocks.block_id = cscart_bm_snapping.block_id 
  LEFT JOIN cscart_bm_block_statuses ON cscart_bm_snapping.snapping_id = cscart_bm_block_statuses.snapping_id 
  AND cscart_bm_block_statuses.object_type LIKE 'categories' 
  LEFT JOIN cscart_bm_blocks_descriptions ON cscart_bm_blocks.block_id = cscart_bm_blocks_descriptions.block_id 
  LEFT JOIN cscart_bm_blocks_content AS default_content ON cscart_bm_blocks.block_id = default_content.block_id 
  AND cscart_bm_blocks_descriptions.lang_code = default_content.lang_code 
  AND default_content.snapping_id = 0 
  AND default_content.object_id = 0 
  AND default_content.object_type like '' 
  LEFT JOIN cscart_bm_blocks_content AS dynamic_object_content ON cscart_bm_blocks.block_id = dynamic_object_content.block_id 
  AND cscart_bm_blocks_descriptions.lang_code = dynamic_object_content.lang_code 
  AND dynamic_object_content.object_id = 245 
  AND dynamic_object_content.object_type like 'categories' 
WHERE 
  cscart_bm_snapping.grid_id IN (
    161, 164, 165, 166, 162, 163, 167, 168, 
    169, 170, 173, 178, 174, 175, 176, 177, 
    179, 180, 198, 199, 200
  ) 
  AND cscart_bm_blocks_descriptions.lang_code = 'en' 
  AND cscart_bm_blocks.company_id = 1 
ORDER BY 
  cscart_bm_snapping.order, 
  cscart_bm_snapping.block_id

Query time 0.00179

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_bm_block_statuses",
          "access_type": "system",
          "possible_keys": ["snapping_id"],
          "rows": 0,
          "filtered": 0,
          "const_row_not_found": true
        }
      },
      {
        "read_sorted_file": {
          "filesort": {
            "sort_key": "cscart_bm_snapping.`order`, cscart_bm_snapping.block_id",
            "table": {
              "table_name": "cscart_bm_snapping",
              "access_type": "range",
              "possible_keys": ["grid_id"],
              "key": "grid_id",
              "key_length": "4",
              "used_key_parts": ["grid_id"],
              "rows": 34,
              "filtered": 100,
              "index_condition": "cscart_bm_snapping.grid_id in (161,164,165,166,162,163,167,168,169,170,173,178,174,175,176,177,179,180,198,199,200)"
            }
          }
        }
      },
      {
        "table": {
          "table_name": "cscart_bm_blocks",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["block_id"],
          "ref": ["n764025_kutubminar123.cscart_bm_snapping.block_id"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "cscart_bm_blocks.company_id = 1"
        }
      },
      {
        "table": {
          "table_name": "cscart_bm_blocks_descriptions",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "10",
          "used_key_parts": ["block_id", "lang_code"],
          "ref": ["n764025_kutubminar123.cscart_bm_snapping.block_id", "const"],
          "rows": 1,
          "filtered": 100,
          "index_condition": "cscart_bm_blocks_descriptions.lang_code = 'en'"
        }
      },
      {
        "table": {
          "table_name": "default_content",
          "access_type": "ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "18",
          "used_key_parts": ["block_id", "snapping_id", "lang_code", "object_id"],
          "ref": [
            "n764025_kutubminar123.cscart_bm_snapping.block_id",
            "const",
            "n764025_kutubminar123.cscart_bm_blocks_descriptions.lang_code",
            "const"
          ],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(default_content.object_type like '')"
        }
      },
      {
        "table": {
          "table_name": "dynamic_object_content",
          "access_type": "ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["block_id"],
          "ref": ["n764025_kutubminar123.cscart_bm_snapping.block_id"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(dynamic_object_content.lang_code = cscart_bm_blocks_descriptions.lang_code and dynamic_object_content.object_id = 245 and dynamic_object_content.object_type like 'categories')"
        }
      }
    ]
  }
}

Result

grid_id block_id content object_id object_type object_ids snapping_id wrapper user_class order status type properties company_id storefront_id abt__yt_banners_use abt__yt_banner_max_position lang_code name
162 49 0 184 hidden-phone hidden-tablet 0 D geo_maps_customer_location a:1:{s:8:"template";s:44:"addons/geo_maps/blocks/customer_location.tpl";} 1 1 N 100 en Customer location
166 57 0 192 ypi-mini-cart 0 A cart_content a:4:{s:8:"template";s:23:"blocks/cart_content.tpl";s:22:"display_bottom_buttons";s:1:"Y";s:20:"display_delete_icons";s:1:"Y";s:19:"products_links_type";s:5:"thumb";} 1 1 N 100 en Cart content
167 61 a:1:{s:4:"menu";i:5;} 0 196 top-menu 0 A menu a:11:{s:8:"template";s:47:"blocks/menu/dropdown_horizontal_abt__yt_mwi.tpl";s:20:"abt__yt_filling_type";s:14:"column_filling";s:21:"abt__yt_columns_count";s:1:"5";s:19:"abt_menu_long_names";s:1:"Y";s:29:"abt_menu_long_names_max_width";s:3:"120";s:30:"dropdown_second_level_elements";s:2:"12";s:19:"abt_menu_icon_items";s:1:"Y";s:29:"dropdown_third_level_elements";s:1:"6";s:18:"abt_menu_ajax_load";s:1:"N";s:20:"abt__menu_min_height";s:3:"450";s:21:"abt__yt_demo_block_id";s:9:"main_menu";} 1 1 N 100 en Main menu
174 66 0 201 blocks/wrappers/abt__yt__mainbox_general_seo.tpl 0 A template a:1:{s:8:"template";s:55:"blocks/static_templates/abt__yt__subscribe_advanced.tpl";} 1 1 N 100 en Stay in touch
199 91 0 228 0 A abt__yt_h1 a:2:{s:8:"template";s:44:"addons/abt__youpitheme/blocks/abt__yt_h1.tpl";s:21:"abt__yt_demo_block_id";s:0:"";} 1 1 N 100 en AB: H1 category header
200 93 a:1:{s:5:"items";a:3:{s:7:"filling";s:6:"rating";s:5:"limit";s:1:"5";s:3:"cid";s:0:"";}} 0 231 blocks/wrappers/abt__yt__mainbox_general_seo.tpl pd-top ypi-bestsellers-block 0 A products a:3:{s:8:"template";s:40:"blocks/products/products_small_items.tpl";s:11:"item_number";s:1:"Y";s:23:"hide_add_to_cart_button";s:1:"Y";} 1 1 N 100 en Bestsellers
200 94 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:0:"";}} 0 232 0 A product_filters a:1:{s:8:"template";s:58:"blocks/product_filters/for_category/horizontal_filters.tpl";} 1 1 N 100 en Product filters
169 117 a:1:{s:4:"menu";i:6;} 0 197 blocks/wrappers/onclick_dropdown.tpl top-menu 0 A menu a:8:{s:8:"template";s:45:"blocks/menu/dropdown_vertical_abt__yt_mwi.tpl";s:30:"dropdown_second_level_elements";s:2:"30";s:29:"dropdown_third_level_elements";s:2:"30";s:36:"no_hidden_elements_second_level_view";s:1:"5";s:36:"elements_per_column_third_level_view";s:2:"15";s:18:"abt_menu_ajax_load";s:1:"N";s:20:"abt__menu_min_height";s:3:"450";s:21:"abt__yt_demo_block_id";s:12:"catalog_menu";} 1 1 N 100 en Catalog
162 50 a:1:{s:7:"content";s:47:"<p>Youpi shop - Excellent CS-Cart theme! </p>";} 0 185 1 A html_block a:1:{s:8:"template";s:21:"blocks/html_block.tpl";} 1 1 N 100 en Title to store - ult8
166 58 0 193 blocks/wrappers/onclick_dropdown.tpl ypi-mini-user 1 A my_account a:1:{s:8:"template";s:21:"blocks/my_account.tpl";} 1 1 N 100 en Account
174 67 a:1:{s:7:"content";s:786:"<div class="ypi-socials"> <a target="_blank" href="/"><i class="s-icon ypi-instagram"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-telegram"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-whatsapp"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-facebook"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-pinterest"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-twitter"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-skype"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-hangouts"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-vk"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-google-plus-circle"></i></a> <a target="_blank" href="/"><i class="s-icon ypi-yuoutube-new"></i></a> </div>";} 0 202 1 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 N 100 en Social links - ult8
199 92 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:0:"";}} 0 229 1 A product_filters a:1:{s:8:"template";s:64:"blocks/product_filters/for_category/abt__yt_selected_filters.tpl";} 1 1 N 100 en Selected Filter variants
163 51 a:1:{s:4:"text";s:0:"";} 0 186 2 A currencies a:3:{s:8:"template";s:21:"blocks/currencies.tpl";s:6:"format";s:4:"name";s:14:"dropdown_limit";s:1:"2";} 1 1 N 100 en Currencies
164 54 a:1:{s:7:"content";s:96:"<div class="ypi-menu__fixed-button"><i class="material-icons md-48 md-dark">more_horiz</i></div>";} 0 189 mfixed-button hidden 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 N 100 en Menu button from fixed header
165 56 a:1:{s:7:"content";s:2538:" {$phones = [ $settings.Company.company_phone => "<span>+8(800)</span> 555-25-25", $settings.Company.company_phone_2 => "<span>+8(495)</span> 777-07-07" ]} <div class="ypi-cr-phone-number"> <div class="ypi-cr-phone"> <div class="ypi-cr-box"> {foreach $phones as $phone} <a href="tel:{$phone@key}" class="t-phone" rel="nofollow" title="{$phone@key}">{$phone nofilter}</a> {/foreach} </div> <a href="javascript:void(0)" onclick="$('.ypi-cr-phone').next().toggleClass('hidden');" rel="nofollow" title=""><i class="material-icons">expand_more</i></a> <div class="aditional-links hidden-phone"> {if $addons.call_requests.status == "A"} {$obj_prefix = 'block'} {$obj_id = $block.snapping_id|default:0} {include file="common/popupbox.tpl" href="call_requests.request?obj_prefix={$obj_prefix}&obj_id={$obj_id}" link_text=__("call_requests.request_call") text=__("call_requests.request_call") id="call_request_{$obj_prefix}{$obj_id}" content="" } {/if} <a href="{"pages.view&page_id=20"|fn_url}" class="l-contacts hidden-tablet" rel="nofollow" title="">{__("abt__yt_contacts")}</a> </div> </div> <div class="ypi-cr-link pop-up-box hidden"> <a href="javascript:void(0)" class="closer" onclick="$('.ypi-cr-phone').next().addClass('hidden');" title=""><i class="material-icons">close</i></a> <div class="ty-cr-work">{__("abt__yt.no_holidays")}</div> {$phones["+84959990909"] = "<span>+8(495)</span> 999-09-09"} {foreach $phones as $phone} <a href="tel:{$phone@key}" class="n-phone" rel="nofollow" title="{$phone@key}">{$phone nofilter}</a> {/foreach} {if $settings.abt__device == "mobile" || $settings.abt__device == "tablet"} <div class="visible-phone"> <a href="{"pages.view&page_id=20"|fn_url}" class="l-contacts" rel="nofollow" title="{__("abt__yt_contacts")}">{__("abt__yt_contacts")}</a> {if $addons.call_requests.status == "A"} <a href="javascript:void(0)" class="l-contacts cm-external-click" data-ca-external-click-id="opener_call_request_{$obj_prefix}{$obj_id}" rel="nofollow" title="{__("call_requests.request_call")}">{__("call_requests.request_call")}</a> {/if} </div> {/if} </div> </div>";} 0 191 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 N 100 en Header contacts - ult8
166 59 0 194 2 A template a:1:{s:8:"template";s:48:"blocks/static_templates/abt__yt__top_buttons.tpl";} 1 1 N 100 en Š’uttons Wishlist and Compare
169 63 a:1:{s:7:"content";s:1049:"<ul class="ty-text-links ty-text-links_show_inline"> <li class="ty-text-links__item ty-level-0 m-sale"> <a class="ty-text-links__a" href="index.php?dispatch=products.on_sale" title="" rel="nofollow">Sale</a> </li> <li class="ty-text-links__item ty-level-0 m-product-newest"> <a class="ty-text-links__a" href="index.php?dispatch=products.newest" title="" rel="nofollow">Newest</a> </li> <li class="ty-text-links__item ty-level-0 m-brands"> <a class="ty-text-links__a" href="index.php?dispatch=product_features.view_all&filter_id=10" title="" rel="nofollow"> Brands</a> </li> <li class="ty-text-links__item ty-level-0 m-blog"> <a class="ty-text-links__a" href="index.php?dispatch=pages.view&page_id=7" title="" rel="nofollow"><i class="material-icons">bookmark_border</i> Store blog</a> </li> <li class="ty-text-links__item ty-level-0 m-active-promotions"> <a class="ty-text-links__a" href="index.php?dispatch=promotions.list" title="" rel="nofollow"><i class="material-icons">whatshot</i> Active promo-actions</a> </li> </ul>";} 0 198 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 N 100 en Right - extra menu links - ult8
199 65 0 230 2 A main 1 1 N 100 en Main Content
175 68 0 203 blocks/wrappers/footer_general.tpl footer-menu-account 2 A template a:1:{s:8:"template";s:62:"blocks/static_templates/abt__yt__my_account_links_advanced.tpl";} 1 1 N 100 en Bottom my account
176 69 a:1:{s:4:"menu";s:1:"3";} 0 204 blocks/wrappers/footer_general.tpl footer-menu-shop 2 A menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";} 1 1 N 100 en Shop
177 71 a:1:{s:7:"content";s:347:"<ul> <li>1600 Pennsylvania Avenue NW, Washington</li> <li>8-800-000-00-00 (free toll)</li> <li>Mon-Fri 9 am-6 pm</li> <li><a class="ty-exception__links-a greeny" href="mailto:sales@demostore.ru">sales@demostore.com</a></li> <li><a href="{"pages.view?page_id=20"|fn_url}" class="ty-exception__links-a">View on map</a></li> </ul>";} 0 206 blocks/wrappers/footer_general.tpl footer-no-wysiwyg footer-contacts 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 N 100 en Contact us - ult8
179 72 0 207 2 A template a:1:{s:8:"template";s:37:"blocks/static_templates/copyright.tpl";} 1 1 N 100 en Copyright
180 73 0 208 2 A template a:1:{s:8:"template";s:41:"blocks/static_templates/payment_icons.tpl";} 1 1 N 100 en Payment icons
198 90 a:1:{s:5:"items";a:2:{s:7:"filling";s:8:"manually";s:8:"item_ids";s:0:"";}} 0 227 blocks/wrappers/abt__yt__mainbox_general_seo.tpl v-filter 2 A product_filters a:1:{s:8:"template";s:48:"blocks/product_filters/for_category/original.tpl";} 1 1 N 100 en Product filters
163 52 a:1:{s:4:"text";s:0:"";} 0 187 3 A languages a:3:{s:8:"template";s:20:"blocks/languages.tpl";s:6:"format";s:4:"name";s:14:"dropdown_limit";s:1:"0";} 1 1 N 100 en Languages
164 55 0 190 3 A template a:1:{s:8:"template";s:32:"blocks/static_templates/logo.tpl";} 1 1 N 100 en Logo
166 60 0 195 ypi-search 3 A template a:1:{s:8:"template";s:34:"blocks/static_templates/search.tpl";} 1 1 N 100 en Search
176 70 a:1:{s:4:"menu";s:1:"4";} 0 205 footer-menu-create-orders 3 D menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"N";} 1 1 N 100 en Create order
163 53 a:1:{s:4:"menu";s:1:"1";} 0 188 top-menu-text-links hidden-phone 4 A menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"Y";} 1 1 N 100 en Quick links