mysql> insert into datum (bestelldatum, expire) values (now(), adddate(now(), interval 1 year));
Query OK, 1 row affected (0.00 sec)

mysql> select * from datum;
+---------------------+---------------------+
| bestelldatum        | expire              |
+---------------------+---------------------+
| 2007-11-21 12:39:48 | 2008-11-21 12:39:48 |
+---------------------+---------------------+
1 row in set (0.00 sec)