SELECT 
  data, 
  expiry 
FROM 
  cscart_cache 
WHERE 
  name = 'init_cdn_settings.cache_customer' 
  AND company_id = 0 
  AND (
    expiry = 0 
    OR expiry > 1776177622
  )

Query time 0.00125

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
s:447:"a:13:{s:11:"resource_id";s:20:"bc8rfxfhdcog3r44grau";s:7:"rule_id";s:0:"";s:4:"host";s:0:"";s:5:"cname";s:47:"static.cs-cart-test-domain-stage-4-20-1-test.ru";s:14:"provider_cname";s:39:"d4e85c5255c7d6e8.topology.gslb.yccdn.ru";s:11:"origin_host";s:40:"cs-cart-test-domain-stage-4-20-1-test.ru";s:14:"certificate_id";s:0:"";s:10:"is_enabled";i:0;s:9:"is_active";b:1;s:7:"service";s:6:"yandex";s:3:"key";s:0:"";s:6:"secret";s:0:"";s:2:"id";s:0:"";}"; 0