UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ya8u2WdwJXtc6j9bkN3YDJV5RWvMNM2m5ALcwAhZq0=' 
WHERE 
  key_id = '9c3f6d031ff634063b8deea63c51728a704411386c673a556256be63ca93169f' 
  AND (
    token = '4ya8u2WdwJXtc6j9bkN3YDJV5RWvMNM2m5ALcwAhZq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )