UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2N8xrJ7A65xIzSgzi9m82NvhVLJThI2ZncxdIR8TWGw=' 
WHERE 
  key_id = '6900fbc5048eee1996613e801762cf48651e02def02ec8e0c2b3bba67e316e84' 
  AND (
    token = '2N8xrJ7A65xIzSgzi9m82NvhVLJThI2ZncxdIR8TWGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )