SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    18220, 18205, 18198, 18197, 18216, 18210, 
    18219, 18222, 18212, 18196, 18217, 
    18202, 18206, 18224, 18208, 18201, 
    18203, 18213, 18200, 18221, 18194, 
    18207, 18199, 18209, 18223, 18218, 
    18195, 18211, 18215, 18204
  )

Query time 0.00103

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "21.01"
    },
    "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": 30,
      "rows_produced_per_join": 30,
      "filtered": "100.00",
      "index_condition": "(`cscartdb`.`cscart_products`.`product_id` in (18220,18205,18198,18197,18216,18210,18219,18222,18212,18196,18217,18202,18206,18224,18208,18201,18203,18213,18200,18221,18194,18207,18199,18209,18223,18218,18195,18211,18215,18204))",
      "cost_info": {
        "read_cost": "18.01",
        "eval_cost": "3.00",
        "prefix_cost": "21.01",
        "data_read_per_join": "160K"
      },
      "used_columns": [
        "product_id",
        "lead_time",
        "etsy_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",
        "allow_notes",
        "buy_now_url",
        "master_product_id",
        "master_product_status",
        "master_product_offers_count",
        "variation_sku",
        "has_color",
        "color_feature_id",
        "featured",
        "shopify_parent_product_id",
        "shopify_variant_product_id"
      ]
    }
  }
}