select * from data where sn='NAVenku' and pq='hum' order by id desc limit 4
idsntspqvaluesystemts
21720099 NAVenku hum 70 1561536694 Wed 26 06 2019 10:11:34
21719742 NAVenku hum 71 1561536077 Wed 26 06 2019 10:01:17
21719392 NAVenku hum 71 1561535513 Wed 26 06 2019 09:51:53
21719028 NAVenku hum 72 1561534898 Wed 26 06 2019 09:41:38

Wed Jun 26 10:25:13 2019 by walley