UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DM8IFvlylYc/+exdYWLwmGg7YjwIeGMTKcxETszUGIs=' 
WHERE 
  key_id = '142bb548aa1669aa7b0aa291b93f394999b6943814475a949d66b48ee95d9303' 
  AND (
    token = 'DM8IFvlylYc/+exdYWLwmGg7YjwIeGMTKcxETszUGIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )