SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (65895, 65896)

Query time 0.00047

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": 2,
      "filtered": 100,
      "attached_condition": "cscart_products.product_id in (65895,65896)"
    }
  }
}

Result

product_id product_code product_type trustmark_origin trustmark_certified trustmark_leadtime trustmark_location trustmark_return owner_id status company_id list_price amount weight length width height shipping_freight low_avail_limit 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 updated_timestamp pricing_note use_new_layout category_image tax_code upc_code product_detail_ids nav_sku sku_columns nav_review_user_id hide_price vendor_fulfilled hide_commercial_price non_returnable ble_basics commercial_hidden allow_configurator enable_customize enable_buy_american base_cost redline_p
65895 BLE-C-STU-DBO23 P E C M W A 0 A 1 872.00 1000 0.000 0 0 0 0.00 0 1748439713 0 N N N D N R N N N Y 10 0 N 0 0 0 0 13 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;} 1749576928 Y none none 3902,3903 BLE-C-STU {"21970":3,"21973":5,"22224":10,"23771":2,"22938":4,"23551":7,"23084":6,"21954":4,"23553":5,"23845":2,"22028":8,"23846":9,"22209":10,"22208":10,"22207":10,"23328":10,"23901":2,"23900":6,"22643":7,"22644":8,"22645":9} 1008383 0 0 0 0 0 0 0 0 1 0.00 0
65896 BLE-S-DBO23 P E C M W A 0 A 1 815.00 1000 0.000 0 0 0 0.00 0 1748454841 0 N N N D N R N N N Y 10 0 N 0 0 0 0 13 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;} 1749576999 Y none none 3904,3905 BLE-S {"21970":3,"21973":5,"22224":10,"23771":2,"22938":4,"23551":5,"23084":6,"21954":4,"23553":5,"23845":2,"22028":8,"23846":9,"22209":10,"22208":10,"22207":10,"23328":10,"23901":2,"23900":6,"22643":7,"22644":8,"22645":9,"23902":4} 1008383 0 0 0 0 0 0 0 0 1 0.00 0