SELECT 
  data, 
  expiry 
FROM 
  cscart_cache 
WHERE 
  name = 'product_filters.C_GET_categories_view.0_1.ru.RUBproduct_filters_products_count_175e24c4b59b50502b23f11cf2394e08' 
  AND company_id = 0 
  AND (
    expiry = 0 
    OR expiry > 1776164540
  )

Query time 0.00029

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_cache",
          "access_type": "const",
          "possible_keys": ["PRIMARY", "name", "company_id"],
          "key": "PRIMARY",
          "key_length": "771",
          "used_key_parts": ["name", "company_id"],
          "ref": ["const", "const"],
          "rows": 1,
          "filtered": 100
        }
      }
    ]
  }
}

Result

data expiry
a:4:{i:0;a:3:{i:10;a:1:{s:8:"variants";a:4:{i:86;a:4:{s:10:"variant_id";i:86;s:7:"variant";s:6:"Adidas";s:8:"position";s:1:"0";s:5:"color";N;}i:133;a:4:{s:10:"variant_id";i:133;s:7:"variant";s:9:"Montblanc";s:8:"position";s:1:"0";s:5:"color";N;}i:87;a:4:{s:10:"variant_id";i:87;s:7:"variant";s:4:"Nike";s:8:"position";s:1:"0";s:5:"color";N;}i:134;a:4:{s:10:"variant_id";i:134;s:7:"variant";s:6:"Tissot";s:8:"position";s:1:"0";s:5:"color";N;}}}i:312;a:1:{s:8:"variants";a:3:{i:1193;a:4:{s:10:"variant_id";i:1193;s:7:"variant";s:22:"S (Маленький)";s:8:"position";s:1:"1";s:5:"color";N;}i:1194;a:4:{s:10:"variant_id";i:1194;s:7:"variant";s:18:"L (Большой)";s:8:"position";s:1:"2";s:5:"color";N;}i:1195;a:4:{s:10:"variant_id";i:1195;s:7:"variant";s:18:"M (Средний)";s:8:"position";s:1:"3";s:5:"color";N;}}}i:313;a:1:{s:8:"variants";a:3:{i:1199;a:4:{s:10:"variant_id";i:1199;s:7:"variant";s:10:"Синий";s:8:"position";s:1:"2";s:5:"color";N;}i:1200;a:4:{s:10:"variant_id";i:1200;s:7:"variant";s:12:"Черный";s:8:"position";s:1:"3";s:5:"color";N;}i:1201;a:4:{s:10:"variant_id";i:1201;s:7:"variant";s:10:"Белый";s:8:"position";s:1:"4";s:5:"color";N;}}}}i:1;a:0:{}i:2;a:0:{}i:3;a:1:{i:1;a:4:{s:3:"min";s:5:"50.00";s:3:"max";s:9:"428000.00";s:10:"field_type";s:1:"P";s:6:"suffix";s:3:"₽";}}} 0