SELECT 
  et_menu_id, 
  categ_id, 
  size, 
  thumbnails, 
  icon, 
  text, 
  banner, 
  products 
FROM 
  cscart_et_category_menu 
WHERE 
  1 
  AND cscart_et_category_menu.lang_code = 'en' 
  AND cscart_et_category_menu.categ_id IN (
    3017, 2916, 2920, 266, 5299, 4922, 6456, 
    3816, 4486, 447, 2910, 443, 3648, 1505, 
    1518, 10425, 10426, 3308, 3550, 3573, 
    3616, 3642, 3685, 3751, 3913
  )

Query time 0.00160

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "60.01"
    },
    "table": {
      "table_name": "cscart_et_category_menu",
      "access_type": "range",
      "possible_keys": [
        "categ_id"
      ],
      "key": "categ_id",
      "used_key_parts": [
        "categ_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 25,
      "rows_produced_per_join": 25,
      "filtered": "100.00",
      "index_condition": "((`webmarco`.`cscart_et_category_menu`.`lang_code` = 'en') and (`webmarco`.`cscart_et_category_menu`.`categ_id` in (3017,2916,2920,266,5299,4922,6456,3816,4486,447,2910,443,3648,1505,1518,10425,10426,3308,3550,3573,3616,3642,3685,3751,3913)))",
      "cost_info": {
        "read_cost": "55.01",
        "eval_cost": "5.00",
        "prefix_cost": "60.01",
        "data_read_per_join": "1K"
      },
      "used_columns": [
        "et_menu_id",
        "categ_id",
        "size",
        "thumbnails",
        "icon",
        "text",
        "banner",
        "lang_code",
        "products"
      ]
    }
  }
}