UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xf3Yex4YsAkhucGFiUMQzDUZJ5pgUzQDTiQC2NY3x6E=' 
WHERE 
  key_id = '5c15ae8f7edbf317cc9f1f73088a36990383b8b96bcf9d27e69243869a8d9a79' 
  AND (
    token = 'xf3Yex4YsAkhucGFiUMQzDUZJ5pgUzQDTiQC2NY3x6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )