SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    12750, 20782, 20306, 23339, 6863, 22527, 
    9296, 20147, 21081, 19788, 20776, 20781, 
    20303, 20304, 20305, 18797
  )

Query time 0.00106

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 16,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (12750,20782,20306,23339,6863,22527,9296,20147,21081,19788,20776,20781,20303,20304,20305,18797)"
        }
      }
    ]
  }
}

Result

product_id product_code product_type status company_id list_price amount weight length width height shipping_freight low_avail_limit timestamp updated_timestamp usergroup_ids is_edp edp_shipping unlimited_download tracking free_shipping zero_price_action is_pbp is_op is_oper is_returnable return_period avail_since out_of_stock_actions localization min_qty max_qty qty_step list_qty_count tax_ids age_verification age_limit options_type exceptions_type details_layout shipping_params facebook_obj_type parent_product_id yml2_brand yml2_origin_country yml2_store yml2_pickup yml2_delivery yml2_adult yml2_delivery_options yml2_bid yml2_model yml2_sales_notes yml2_type_prefix yml2_offer_type yml2_market_category yml2_manufacturer_warranty yml2_expiry yml2_purchase_price yml2_description yml2_cpa buy_now_url ab__stickers_manual_ids ab__stickers_generated_ids image_extension fiscal_data_1212 mark_code_type
6863 456196 P A 1 0.00 5 0.000 0 0 0 0.00 0 1617300338 1750243033 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
9296 2682 P A 1 0.00 0 0.000 0 0 0 0.00 0 1617300338 1745475649 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
12750 8017 P A 1 0.00 1 0.000 0 0 0 0.00 0 1617300338 1749630077 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
18797 456402 P A 1 0.00 0 0.000 0 0 0 0.00 0 1634112883 1747233098 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
19788 3192 P A 1 0.00 0 0.000 0 0 0 0.00 0 1660550143 1745475650 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
20147 4399 P A 1 0.00 0 0.000 0 0 0 0.00 0 1667547785 1746019697 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
20303 4635 P A 1 0.00 0 0.000 0 0 0 0.00 0 1670491597 1745475651 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
20304 4636 P A 1 0.00 0 0.000 0 0 0 0.00 0 1670491647 1745475651 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
20305 4637 P A 1 0.00 0 0.000 0 0 0 0.00 0 1670491717 1745475651 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
20306 4638 P A 1 0.00 2 0.000 0 0 0 0.00 0 1670491771 1749740638 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
20776 5946 P A 1 150.00 0 0.000 0 0 0 0.00 0 1684918004 1746768831 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
20781 5963 P A 1 0.00 0 0.000 0 0 0 0.00 0 1684918010 1748356884 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
20782 5966 P A 1 150.00 4 0.000 0 0 0 0.00 0 1684918021 1745475652 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y jpg 1
21081 6601 P A 1 0.00 0 0.000 0 0 0 0.00 0 1692107975 1746276075 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N a:0:{} 0 0 Y png 1
22527 9518 P A 1 0.00 5 0.000 0 0 0 0.00 0 1716987068 1749995504 0 N N N N N N N Y 10 0 N N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N 0 0 Y 1
23339 10486 P A 1 0.00 46 0.000 0 0 0 0.00 0 1729861683 1747030420 0 N N N N N N N Y 10 0 N N 0 a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 N 0 0 Y 1