UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iBhZRUC1jzM4wQ+40JNE81ht/rDaojKaY29xZj84F7o=' 
WHERE 
  key_id = 'ae64a38a5a0a7c3e71087ea06d161b7e69608913576f73c8832dcfc17174b223' 
  AND (
    token = 'iBhZRUC1jzM4wQ+40JNE81ht/rDaojKaY29xZj84F7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )