MariaDB [zabbix]> SELECT   e.* FROM events e WHERE e.objectid IN ('13469','14813','15092','15239','17815','18368','18724','21712','21715','21716','22077','22402','22406','23391','24575','24578','28130','29683','39991','45773','45776','46096','47023','47136','48127') AND e.object='0' AND e.source='0' AND e.value IN ('0','1') ORDER BY e.clock DESC,e.eventid DESC LIMIT 25 OFFSET 0;
+----------+--------+--------+----------+------------+-------+--------------+-----------+
| eventid  | source | object | objectid | clock      | value | acknowledged | ns        |
+----------+--------+--------+----------+------------+-------+--------------+-----------+
| 30258810 |      0 |      0 |    46096 | 1458035600 |     0 |            0 | 
25 rows in set (48.00 sec)

*************************** 1. row ***************************
           id: 1
  select_type: SIMPLE
        table: e
         type: index
possible_keys: events_1,events_2
          key: events_2
      key_len: 12
          ref: NULL
         rows: 25035
        Extra: Using where