UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pKlcYfq8Zfl+sX1kNfuymrlPn3rI7j3/TgEmV5alUNA=' 
WHERE 
  key_id = '2e5c64d3046f9d25f1bba6ccad6070d3bce8bdc0539aebc48210749c2295692d' 
  AND (
    token = 'pKlcYfq8Zfl+sX1kNfuymrlPn3rI7j3/TgEmV5alUNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )