SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (536, 535, 534, 524, 523)

Query time 0.00075

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 5,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (536,535,534,524,523)"
    }
  }
}

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 __variation_code __variation_options __is_default_variation yml2_brand yml2_origin_country yml2_store yml2_pickup yml2_delivery yml2_adult yml2_delivery_options yml2_bid yml2_cbid yml2_fee 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
523 P A 1 0.00 15 0.000 0 0 0 0.00 0 1724227513 1736926920 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F 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 N N a:0:{} 0 0 0 0 Y
524 P A 1 0.00 20 0.000 0 0 0 0.00 0 1725275055 1736926920 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F 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 N N a:0:{} 0 0 0 0 Y
534 P A 1 0.00 5 0.000 0 0 0 0.00 0 1747142686 1773998187 0 N N N B N P N N N Y 10 0 N 0 0 0 0 N 0 P F 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 N N a:0:{} 0 0 0 0 Y
535 P A 1 0.00 5 0.000 0 0 0 0.00 0 1747142903 1747143052 0 N N N B N P N N N Y 10 0 N 0 0 0 0 N 0 P F 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 N N a:0:{} 0 0 0 0 Y
536 P A 1 0.00 9 0.000 0 0 0 0.00 0 1756810107 1773998187 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F 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 N N a:0:{} 0 0 0 0 Y