UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8hU6whjt40xcueoyfrF6BlVRfO+pZXCitjvXS0ujMs=' 
WHERE 
  key_id = '138e753e017839bf57faf73bf7c1ce452be3b851d28fd7fc46e03a40afa7b55a' 
  AND (
    token = 'k8hU6whjt40xcueoyfrF6BlVRfO+pZXCitjvXS0ujMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )