UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVk7cnbBIiaoO79UNIswZ3HjiRJlTnAHfuvFBhSfB2Y=' 
WHERE 
  key_id = '6547abd1fa0a54a088107040ddf299d723546c7764c0d449df1cca917f06cec7' 
  AND (
    token = 'PVk7cnbBIiaoO79UNIswZ3HjiRJlTnAHfuvFBhSfB2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )