select * from data where sn='12250' order by id desc limit 4
idsntspqvaluesystemts
83314335 12250 temp 25.19 1780743002 Sat 06 06 2026 12:50:02
83314278 12250 temp 25.19 1780742702 Sat 06 06 2026 12:45:02
83314217 12250 temp 25.19 1780742402 Sat 06 06 2026 12:40:02
83314160 12250 temp 25.12 1780742102 Sat 06 06 2026 12:35:02

Sat Jun 6 12:53:27 2026 by walley