h2
update FOO set a = dateadd('second', 4320000, a);
ms sql server
update FOO set a = dateadd(s, 4320000, a);
mysql
update FOO set a = date_add(a, interval 4320000 second);
postgresql
update FOO set a = a + interval '4320000 s';
oracle
update FOO set a = a + INTERVAL '4320000' SECOND;
