SELECT 
  data, 
  expiry 
FROM 
  cscart_cache 
WHERE 
  name = 'product_filters.C_GET_categories_view.0_1.en.RUBproduct_filters_products_count_14524c9a13d06dc0936da04e018b1e06' 
  AND company_id = 0 
  AND (
    expiry = 0 
    OR expiry > 1776178801
  )

Query time 0.00084

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:1:{i:10;a:1:{s:8:"variants";a:3:{i:126;a:4:{s:10:"variant_id";i:126;s:7:"variant";s:21:"Quartet Manufacturing";s:8:"position";s:1:"0";s:5:"color";N;}i:127;a:4:{s:10:"variant_id";i:127;s:7:"variant";s:10:"Swingline ";s:8:"position";s:1:"0";s:5:"color";N;}i:128;a:4:{s:10:"variant_id";i:128;s:7:"variant";s:12:"Wilson Jones";s:8:"position";s:1:"0";s:5:"color";N;}}}}i:1;a:0:{}i:2;a:0:{}i:3;a:1:{i:1;a:4:{s:3:"min";s:6:"272.00";s:3:"max";s:8:"25958.00";s:10:"field_type";s:1:"P";s:6:"suffix";s:3:"₽";}}} 0