SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    5647, 5648, 6456, 6457, 8916, 8917, 11122, 
    11121
  )

Query time 0.00062

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "5.61"
    },
    "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": 8,
      "rows_produced_per_join": 8,
      "filtered": "100.00",
      "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`cscart_products`.`product_id` in (5647,5648,6456,6457,8916,8917,11122,11121))",
      "cost_info": {
        "read_cost": "4.81",
        "eval_cost": "0.80",
        "prefix_cost": "5.61",
        "data_read_per_join": "35K"
      },
      "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",
        "ab__stickers_manual_ids",
        "ab__stickers_generated_ids"
      ]
    }
  }
}

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 ab__stickers_manual_ids ab__stickers_generated_ids
5647 DS-2CD1183G2-LIU P A 1 0.00 100 0.000 0 0 0 0.00 0 1758615620 1762237679 0 N N N N Y N N Y 3 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;} activity 0 0.000 0.000
5648 DS-2CD1183G2-LIU V A 1 0.00 100 0.000 0 0 0 0.00 0 1758615830 1762237679 0 N N N N Y N N Y 3 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;} activity 5647 0.000 0.000
6456 TAC-24CHSA/KCI P A 1 0.00 100 0.000 0 0 0 0.00 0 1760558307 1761659581 0 N N N N Y N N Y 3 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;} activity 0 0.000 0.000
6457 TAC-18CHSA/KCI V A 1 0.00 100 0.000 0 0 0 0.00 0 1760558366 1761659581 0 N N N N Y N N Y 3 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;} activity 6456 0.000 0.000
8916 P A 1 0.00 100 0.000 0 0 0 0.00 0 1764056094 1764155870 0 N N N N Y N N Y 3 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;} activity 0 0.000 0.000
8917 V A 1 0.00 100 0.000 0 0 0 0.00 0 1764056210 1764155870 0 N N N N Y N N Y 3 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;} activity 8916 0.000 0.000
11121 RB2198 60 901/31 P A 1 312000.00 100 0.000 0 0 0 0.00 0 1769031006 1769034991 0 N N N N Y N N Y 3 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;} activity 0 0.000 0.000
11122 RB2198 60 902/R5 V A 1 316500.00 100 0.000 0 0 0 0.00 0 1769031140 1769034991 0 N N N N Y N N Y 3 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;} activity 11121 0.000 0.000