Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'f699936ab953f1e6083cc2376926bbbf517a3a0c84010aacf8dde7207ebd8db9' 
  AND token = 'x/2V22PrVuAfk3AxuQAX5HViXaNVTtS04QE7Va9XFEA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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