SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    954, 953, 952, 951, 950, 943, 942, 941, 
    940, 939, 938, 936
  )

Query time 0.00031

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "8.41"
    },
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 12,
      "rows_produced_per_join": 12,
      "filtered": "100.00",
      "index_condition": "(`wearethehelpful_scalesta_net`.`cscart_products`.`product_id` in (954,953,952,951,950,943,942,941,940,939,938,936))",
      "cost_info": {
        "read_cost": "7.21",
        "eval_cost": "1.20",
        "prefix_cost": "8.41",
        "data_read_per_join": "53K"
      },
      "used_columns": [
        "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",
        "buy_now_url",
        "units_in_product",
        "show_price_per_x_units",
        "allow_notes",
        "delivery_time",
        "shopify_product_id",
        "shopify_account_id",
        "shopify_is_parent"
      ]
    }
  }
}

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 buy_now_url units_in_product show_price_per_x_units allow_notes delivery_time shopify_product_id shopify_account_id shopify_is_parent
936 HER-REC-101 P A 25 22.00 113 100.000 0 0 0 0.00 0 1739178926 1766490012 0 N N N B N N N N Y 10 0 N 6 N 0 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 0.000 1.000 N 0 0 0 Y
938 HER-NOU-101 P A 25 22.00 145 0.100 0 0 0 0.00 0 1739178928 1766489955 0 N N N B N N N N Y 10 0 N 6 N 0 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 0.000 1.000 N 0 0 0 Y
939 BNDL_02 P A 25 65.00 113 0.000 0 0 0 0.00 0 1739179136 1766489659 0 N N N B N N N N Y 10 0 N 6 N 0 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 0.000 1.000 N 0 0 0 Y
940 SKU - BNDL_04 P A 25 150.00 112 0.000 0 0 0 0.00 0 1739179137 1766489623 0 N N N B N N N N Y 10 0 N 6 N 0 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 0.000 1.000 N 0 0 0 Y
941 BNDL_03 P A 25 106.00 245 0.000 0 0 0 0.00 0 1739179139 1766489587 0 N N N B N N N N Y 10 0 N 6 N 0 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 0.000 1.000 N 0 0 0 Y
942 P A 30 60.00 12 0.000 0 0 0 0.00 0 1739206464 1766489478 0 Y N N N N N N Y 10 0 N N 0 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 0.000 0.000 N 0 0 0 Y
943 P A 30 211.00 12 0.000 0 0 0 0.00 0 1739224754 1766489492 0 Y N N N N N N Y 10 0 N N 0 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 0.000 0.000 N 0 0 0 Y
950 P A 33 0.00 174 0.260 0 0 0 0.00 0 1741095363 1766489019 0 N N N B N N N N Y 10 0 N N 0 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 0.000 1.000 N 0 0 0 Y
951 P A 33 0.00 153 500.000 0 0 0 0.00 0 1741095364 1770639129 0 N N N B N N N N Y 10 0 N N 0 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 0.000 1.000 N 0 0 0 Y
952 P A 33 0.00 330 300.000 0 0 0 0.00 0 1741095366 1770725496 0 N N N B N N N N Y 10 0 N N 0 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 0.000 1.000 N 0 0 0 Y
953 P A 33 0.00 133 520.000 0 0 0 0.00 0 1741095374 1769947905 0 N N N B N N N N Y 10 0 N N 0 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 0.000 1.000 N 0 0 0 Y
954 P A 33 0.00 181 300.000 0 0 0 0.00 0 1741095380 1770379858 0 N N N B N N N N Y 10 0 N N 0 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 0.000 1.000 N 0 0 0 Y