select * from data where sn='12250' order by id desc limit 4
idsntspqvaluesystemts
78068442 12250 temp 24.56 1751958602 Tue 08 07 2025 09:10:02
78068381 12250 temp 24.56 1751958302 Tue 08 07 2025 09:05:02
78068320 12250 temp 24.56 1751958002 Tue 08 07 2025 09:00:02
78068263 12250 temp 24.56 1751957702 Tue 08 07 2025 08:55:02

Tue Jul 8 09:10:03 2025 by walley