UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oQVn8IgTKZiB053lRuWky9mwqNYvD02sn1G2Ljkl+5k=' 
WHERE 
  key_id = '81da1fdcc65e85920700b4ccc337e4df3fd480ef1959d17dfac2efa056b20f3f' 
  AND (
    token = 'oQVn8IgTKZiB053lRuWky9mwqNYvD02sn1G2Ljkl+5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )