select * from data where sn='acs1' and pq='curr' order by id desc limit 4
idsntspqvaluesystemts
6107352 acs1 curr -0.074 1505613520 Sun 17 09 2017 03:58:40
6107341 acs1 curr -0.074 1505613459 Sun 17 09 2017 03:57:39
6107299 acs1 curr -0.074 1505613379 Sun 17 09 2017 03:56:19
6107276 acs1 curr -0.074 1505613219 Sun 17 09 2017 03:53:39

Tue May 21 20:54:01 2019 by walley