SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    12102, 12103, 12104, 12105, 12106, 12107, 
    12108, 12109, 12110, 12111, 12112, 
    12113, 12114, 12115
  )

Query time 0.00036

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "9.81"
    },
    "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": 14,
      "rows_produced_per_join": 14,
      "filtered": "100.00",
      "index_condition": "(`gaseus`.`cscart_products`.`product_id` in (12102,12103,12104,12105,12106,12107,12108,12109,12110,12111,12112,12113,12114,12115))",
      "cost_info": {
        "read_cost": "8.41",
        "eval_cost": "1.40",
        "prefix_cost": "9.81",
        "data_read_per_join": "91K"
      },
      "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",
        "fiscal_data_1212",
        "mark_code_type",
        "parent_product_id",
        "yml2_brand",
        "yml2_origin_country",
        "yml2_store",
        "yml2_pickup",
        "yml2_delivery",
        "yml2_adult",
        "yml2_delivery_options",
        "yml2_bid",
        "yml2_model",
        "yml2_sales_notes",
        "yml2_type_prefix",
        "yml2_offer_type",
        "yml2_market_category",
        "yml2_manufacturer_warranty",
        "yml2_expiry",
        "yml2_purchase_price",
        "yml2_description",
        "yml2_cpa",
        "buy_now_url",
        "units_in_product",
        "show_price_per_x_units"
      ]
    }
  }
}

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 fiscal_data_1212 mark_code_type parent_product_id yml2_brand yml2_origin_country yml2_store yml2_pickup yml2_delivery yml2_adult yml2_delivery_options yml2_bid yml2_model yml2_sales_notes yml2_type_prefix yml2_offer_type yml2_market_category yml2_manufacturer_warranty yml2_expiry yml2_purchase_price yml2_description yml2_cpa buy_now_url units_in_product show_price_per_x_units
12102 2002test-SIGMA-2BC-300-3-SK-PS-PS P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 0 N 0 0 Y 0.000 1.000
12103 2002test-SIGMA-2BC-300-3-SK-PS-PT P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12104 2002test-SIGMA-2BC-300-3-SK-PS-FI P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12105 2002test-SIGMA-2BC-300-3-SK-PT-PI P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12106 2002test-SIGMA-2BC-300-3-SK-PT-PS P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12107 2002test-SIGMA-2BC-300-3-SK-PT-PT P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12108 2002test-SIGMA-2BC-300-3-SK-PT-FI P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12109 2002test-SIGMA-2BC-300-3-HD-PI-PI P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12110 2002test-SIGMA-2BC-300-3-HD-PI-PS P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12111 2002test-SIGMA-2BC-300-3-HD-PI-PT P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12112 2002test-SIGMA-2BC-300-3-HD-PI-FI P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12113 2002test-SIGMA-2BC-300-3-HD-PS-PI P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12114 2002test-SIGMA-2BC-300-3-HD-PS-PS P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000
12115 2002test-SIGMA-2BC-300-3-HD-PS-PT P A 1 0.00 0 0.000 0 0 0 0.00 0 1772018499 1772018499 0 N N N N N N N Y 10 0 N N 0 1 12102 N 0 0 Y 0.000 1.000