select * from data where sn='12250' order by id desc limit 4
idsntspqvaluesystemts
80000289 12250 temp 22.69 1763241002 Sat 15 11 2025 22:10:02
80000228 12250 temp 22.75 1763240702 Sat 15 11 2025 22:05:02
80000171 12250 temp 22.75 1763240402 Sat 15 11 2025 22:00:02
80000114 12250 temp 22.75 1763240102 Sat 15 11 2025 21:55:02

Sat Nov 15 22:11:07 2025 by walley