Slow transactions Postgres

old-txns.sql

select c.relname, 
    l.mode, 
    l.granted as "g",
    a.current_query, 
    cast(a.query_start as time), 
    age(now(), a.query_start) as "age", 
    a.procpid,
    a.client_addr
from pg_stat_activity a 
inner join pg_locks l on a.procpid = l.pid
left outer join pg_class c on l.relation = c.oid
where age(now(), a.query_start) > interval '1 minutes'
order by a.query_start, l.pid;

slow-txns.sql

select c.relname, 
    l.mode, 
    l.granted as "g",
    a.current_query, 
    cast(a.query_start as time), 
    age(now(), a.query_start) as "age", 
    a.procpid,
    a.client_addr
from pg_stat_activity a 
inner join pg_locks l on a.procpid = l.pid
left outer join pg_class c on l.relation = c.oid
where a.query_start < NOW() - interval '1 minutes'
order by a.query_start, l.pid;