UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KoCmmHzMDzonL+DE7wBqK21pHflv/tulskEdwE1SruI=' 
WHERE 
  key_id = '3fc8a9f03a6b5b201f44eceb3f55a8db2e5f323efd4d482adb32a36b4ec7b87a' 
  AND (
    token = 'KoCmmHzMDzonL+DE7wBqK21pHflv/tulskEdwE1SruI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )