UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6mO9ejP2ubL84HYpV8iX/YpGjlERB3iimz8Uvpf3mrg=' 
WHERE 
  key_id = '192478ebd960326eb54843b2eae4c3b874d297d1f75514bbf228eae238ae67b2' 
  AND (
    token = '6mO9ejP2ubL84HYpV8iX/YpGjlERB3iimz8Uvpf3mrg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )