create or replace procedure "KILL_OVERDUE_BAGGAGE"
is
    minute number(10);
begin
for r in (
SELECT 
    BAGGAGE_ID, SUBSTR((systimestamp - INSERTION_DATE),15,2) as minute
FROM 
    dual, baggage, shelves
WHERE 
    baggage_id = contains_baggage_id
)
loop
    IF r.minute > 2 THEN
        null;
    END IF;
end loop;

END;