Query optimization

This is the other query:

select * from orders where id IN (
SELECT orders_drivers.order_id
FROM orders_drivers
WHERE driver_id = 134
AND ignored = 0
AND FROM_UNIXTIME(delivery_at, GET_FORMAT(DATE,“ISO”)) = FROM_UNIXTIME(1537561200, GET_FORMAT(DATE,“ISO”))
AND delivery_at > 1537561200
) order by delivery_at asc limit 1;