select * from data where sn='12250' order by id desc limit 4
idsntspqvaluesystemts
78153209 12250 temp 25.06 1752392702 Sun 13 07 2025 09:45:02
78153152 12250 temp 25.06 1752392402 Sun 13 07 2025 09:40:02
78153091 12250 temp 25.06 1752392103 Sun 13 07 2025 09:35:03
78153034 12250 temp 25.06 1752391802 Sun 13 07 2025 09:30:02

Sun Jul 13 09:48:50 2025 by walley