SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    49588, 49487, 49539, 50147, 49932, 49538
  )

Query time 0.00077

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": 6,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (49588,49487,49539,50147,49932,49538)"
        }
      }
    ]
  }
}

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 is_make_to_order make_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 buy_now_url is_stock_split_by_warehouses is_fragile
49487 10821_02 P A 856 0 999 100.000 0 0 0 0.00 0 1724778000 1728376847 0 N N N B N R N N N Y 10 Y 2-3 0 N 1 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:1;s:16:"max_items_in_box";i:1;s:10:"box_length";i:10;s:9:"box_width";i:10;s:10:"box_height";i:10;} 0 N N
49538 10821_08 P A 856 0 999 100.000 0 0 0 0.00 0 1727715600 1727766606 0 N N N B N R N N N Y 10 Y 2-3 0 N 1 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:1;s:16:"max_items_in_box";i:1;s:10:"box_length";i:5;s:9:"box_width";i:5;s:10:"box_height";i:5;} 0 N N
49539 10821_03 P A 856 0 999 500.000 0 0 0 0.00 0 1724778000 1727346714 0 N N N B N R N N N Y 10 Y 2-3 0 N 1 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:1;s:16:"max_items_in_box";i:1;s:10:"box_length";i:10;s:9:"box_width";i:10;s:10:"box_height";i:10;} 0 N N
49588 10821_04 P A 856 0 999 150.000 0 0 0 0.00 0 1724864400 1731987685 0 N N N B N R N N N Y 10 Y 2-3 0 N 1 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:1;s:16:"max_items_in_box";i:1;s:10:"box_length";i:10;s:9:"box_width";i:10;s:10:"box_height";i:10;} 0 N N
49932 10821_01 P A 856 0 99 500.000 0 0 0 0.00 0 1725015300 1727763975 0 N N N B N R N N N Y 10 N 0 N 1 0 0 0 N 0 P F default a:5:{s:16:"min_items_in_box";i:1;s:16:"max_items_in_box";i:1;s:10:"box_length";i:10;s:9:"box_width";i:10;s:10:"box_height";i:10;} 0 N N
50147 10821_06 P A 856 0 99 800.000 0 0 0 0.00 0 1726569240 1727767796 0 N N N B N R N N N Y 10 Y 2-3 0 N N 0 P F default a:5:{s:16:"min_items_in_box";i:1;s:16:"max_items_in_box";i:1;s:10:"box_length";i:10;s:9:"box_width";i:10;s:10:"box_height";i:10;} 0 N N