select * from data where sn='meteo2' and pq='ssid' order by id desc limit 4
idsntspqvaluesystemts
18877789 meteo2 ssid walley 1553492027 Mon 25 03 2019 06:33:47
18874005 meteo2 ssid walley 1553485462 Mon 25 03 2019 04:44:22
18870178 meteo2 ssid walley 1553478896 Mon 25 03 2019 02:54:56
18866373 meteo2 ssid walley 1553472332 Mon 25 03 2019 01:05:32

Mon Mar 25 06:57:39 2019 by walley