UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4PxZBYHTFfgdtDlU/GPzQmQf/99lpCXHXwlTdMHjtqI=' 
WHERE 
  key_id = 'f51da9b32994b7056ea5b044a32aadb2213d517abe9c083dede7ad21b336d978' 
  AND (
    token = '4PxZBYHTFfgdtDlU/GPzQmQf/99lpCXHXwlTdMHjtqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )