UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X/HDfh29Vs2j+k/gnSZj8ynfOo2mP7GMDdXEwDMbcio=' 
WHERE 
  key_id = '98713f1245f550423abe92c0499a776a15f19ea268a79516965536532dd82760' 
  AND (
    token = 'X/HDfh29Vs2j+k/gnSZj8ynfOo2mP7GMDdXEwDMbcio=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034