UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+POOHuX7tTT1yyCNCxZgh/4qFpzq+VxWZg1rDGslvk=' 
WHERE 
  key_id = 'e776a36a3079314615a5039308201146676544c35fa6cdd6f48a1e573f5e7954' 
  AND (
    token = 'j+POOHuX7tTT1yyCNCxZgh/4qFpzq+VxWZg1rDGslvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )