UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8frpIj3SQLOB1ipB/yAq8hnu3r7rYqrvCOzuS9kml0=' 
WHERE 
  key_id = '027bd28f12f712915b52c37a4a54989bbc849f792e0c7806d667af08810a7ca9' 
  AND (
    token = 'N8frpIj3SQLOB1ipB/yAq8hnu3r7rYqrvCOzuS9kml0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )