UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kDhCz8YTgXy5+XAt14mAIQfq1pAPUyXSQlDj3dNPhcE=' 
WHERE 
  key_id = '4a91adfe9d24a1d883abed13b6cd8504cf03e97b088d458675f620bc4b7bf980' 
  AND (
    token = 'kDhCz8YTgXy5+XAt14mAIQfq1pAPUyXSQlDj3dNPhcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )