Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '41afe99fdf44762434f9f7aab25f1f043637a7671c7b42fdca5206a1d6e02aff' 
  AND token = 'p7pg93G6MvbcBhpaO47FOpO1ct8yECKV6atNrq1hY6I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}