Hi Benita,
For SQL the query where clause would look like this,
inventory.status != 'OBSOLETE' and inventory.siteid = (select defsite from maxuser where userid=:user ) and exists(select 1 from invbalances where itemnum = inventory.itemnum and location = inventory.location and siteid = inventory.siteid and itemsetid = inventory.itemsetid and exists(select 1 from invlot where itemnum = invbalances.itemnum and location = invbalances.location and siteid = invbalances.siteid and itemsetid = invbalances.itemsetid and lotnum = invbalances.lotnum and useby <= (getdate() + 60)))