score:0

update t set runner_id = ? where runner_id = 0
select * from t where runner_id = ?
(? = my thread or connection id)

score:0

foreach (job j in jobs)
{
    j.status = 0;
}
db.submitchanges()

score:1

update top (...) table
set status = 2
output deleted.*
where status = 1;