UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O/WWTXo+ri+ODa3NVfOG2EQ5oCBlOQmCniHQr/9BuUU=' 
WHERE 
  key_id = '6c2bff19b7cce4c0847bffe4eef601032f5af631bd83d066fead8932a4e76681' 
  AND (
    token = 'O/WWTXo+ri+ODa3NVfOG2EQ5oCBlOQmCniHQr/9BuUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )