Job queue as SQL table with multiple consumers (PostgreSQL)

Question

I have a typical producer-consumer problem:

Multiple producer applications write job requests to a job-table on a PostgreSQL database.

The job requests have

Answer 1

what about just select?

SELECT * FROM table WHERE status = 'QUEUED' LIMIT 10 FOR UPDATE SKIP LOCKED;

https://www.postgresql.org/docs/9.5/static/sql-select.html#SQL-FOR-UPDATE-SHARE