SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    334, 338, 583, 340, 335, 336, 419, 337
  )

Query time 0.00117

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 8,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (334,338,583,340,335,336,419,337)"
    }
  }
}

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 __variation_code __variation_options __is_default_variation
334 RS23SET P A 1 19224.00 1 145.000 0 0 0 0.00 0 1432134000 1560996571 0 N N N B N R Y N N Y 10 1540479600 B 0 5 1 5 7,8 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;} activity 0 N
335 TB20 P A 1 10800.00 1 165.000 0 0 0 0.00 0 1432134000 1560996571 0 N N N B N R Y N N Y 10 0 N 0 5 1 5 7,8 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;} activity 0 N
336 TB21 P A 1 10800.00 1 146.000 0 0 0 0.00 0 1432134000 1561384167 0 N N N B N R Y N N Y 10 1562252400 B 0 5 1 5 7,8 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;} activity 0 N
337 TB30 P A 1 12096.00 1 173.000 0 0 0 0.00 0 1432134000 1560996571 0 N N N B N R Y N N Y 10 0 N 0 5 1 5 7,8 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;} activity 0 N
338 TH200 P A 1 25488.00 1 300.000 0 0 0 0.00 0 1432134000 1560996571 0 N N N B N R Y N N Y 10 1544022000 B 0 5 1 5 7,8 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;} activity 0 N
340 THHOOK P A 1 1404.00 10 14.000 0 0 0 0.00 0 1432134000 1560996571 0 N N N B N R Y N N Y 10 0 B 0 5 1 5 7,8 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;} activity 0 N
419 TB22 P A 1 10800.00 3 130.000 0 0 0 0.00 0 1453892345 1560996571 0 N N N B N R Y N N Y 10 0 B 0 5 1 5 7,8 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;} activity 0 N
583 TH230 P A 1 25488.00 0 400.000 0 0 0 0.00 0 1498552144 1560764512 0 N N N B N R Y N N Y 10 0 B 0 0 0 0 7,8 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;} activity 0 N