SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '07ff48cd6e8ed3d740a4e3323f209f80b5308d67e97f2c8452c328c92a69201f' 
  AND token = 'toc6ywDZJuocuL3FwOn3Q30b/yIz+PX+/+J2qvBFqbY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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