Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '221d30f49af79c8dfa220b17314d7d9cd1d0ef54e31b81a262b6315282842a03' 
  AND token = 'Q5kUYuTcZaKyXvi0loDc9ESNenjuZ8rGaloiA3R25Pk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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