5 tickets, all NEW. Worker A claims 2 and keeps its transaction open.
Worker B claims 2 with SKIP LOCKED.
A got tickets: [1, 2]
B got tickets: [3, 4]

select statements B sent:
select t1_0.id,t1_0.claimedBy,t1_0.status from Ticket t1_0 where t1_0.status='NEW' order by t1_0.id fetch first ? rows only for update skip locked