select * from data where sn='12250' order by id desc limit 4
idsntspqvaluesystemts
72369803 12250 temp 21.25 1713931802 Wed 24 04 2024 06:10:02
72369746 12250 temp 21.25 1713931502 Wed 24 04 2024 06:05:02
72369689 12250 temp 21.31 1713931202 Wed 24 04 2024 06:00:02
72369628 12250 temp 21.25 1713930902 Wed 24 04 2024 05:55:02

Wed Apr 24 06:14:36 2024 by walley