UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DkPbGf7w8UtQxBFbdK6ugnzVavAZQEgnxEra6fMrlJ4=' 
WHERE 
  key_id = '8f79109251af40ba9fb7ee33d66b8f049780f0ae341a697dee11dd1a979192e9' 
  AND (
    token = 'DkPbGf7w8UtQxBFbdK6ugnzVavAZQEgnxEra6fMrlJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )