select * from data where sn='NAVenku' order by id desc limit 4
idsntspqvaluesystemts
24381806 NAVenku temp 14.8 1566435414 Thu 22 08 2019 02:56:54
24381805 NAVenku hum 79 1566435414 Thu 22 08 2019 02:56:54
24381478 NAVenku hum 79 1566434799 Thu 22 08 2019 02:46:39
24381477 NAVenku temp 14.8 1566434799 Thu 22 08 2019 02:46:39

Thu Aug 22 03:10:01 2019 by walley