select * from data where sn='12250' order by id desc limit 4
idsntspqvaluesystemts
85244487 12250 temp 23.56 1792095602 Thu 15 10 2026 22:20:02
85244424 12250 temp 23.56 1792095302 Thu 15 10 2026 22:15:02
85244365 12250 temp 23.50 1792095002 Thu 15 10 2026 22:10:02
85244306 12250 temp 23.50 1792094702 Thu 15 10 2026 22:05:02

Thu Oct 15 22:23:57 2026 by walley