INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15647c316bb1a60af2d4070d3b4b81d38256223b51e8f764073d8147636a7cbe', 
    'JkII87cOuxuuv8JS9ylZoRABK27Y0XXQ4NRk0UviDa0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)