UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nKmP2M3IqVmgeuGVaMubn+GoRJmqYnP3au3ajBqXvaU=' 
WHERE 
  key_id = '8b3e36ce7aa7fa7ab6dd5c0dd50fb82ad92f1e2a72c4efef950cac3c2a03087d' 
  AND (
    token = 'nKmP2M3IqVmgeuGVaMubn+GoRJmqYnP3au3ajBqXvaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )