UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4tMgR5fyr9aR05z0XA7j5xODwMiwjpu1f+qaiykSHnE=' 
WHERE 
  key_id = '1a4c9b9bf793b98e65bbe8ee60157328f94fcda49c0ec31770114c54c0191493' 
  AND (
    token = '4tMgR5fyr9aR05z0XA7j5xODwMiwjpu1f+qaiykSHnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )