مشکل sqlدر دیتابیس

[haji]

سلام
سایت بنده مشکل sql پیدا کرده است و باعث داون شدن سرور می گردد چگونه می توانم درست کنم راهنمی فرمائید

log های روی سرور

UPDATE mos_stats_agents SET hits=(hits+1) WHERE agent='net' AND type=2;
# Time: 090614 19:30:38
# User@Host: aliz_ali[aliz_ali] @ localhost []
# Query_time: 26 Lock_time: 24 Rows_sent: 0 Rows_examined: 0
UPDATE mos_stats_agents SET hits=(hits+1) WHERE agent='Windows Longhorn' AND type=1;
# Time: 090614 19:30:40
# User@Host: aliz_ali[aliz_ali] @ localhost []
# Query_time: 28 Lock_time: 26 Rows_sent: 0 Rows_examined: 0
UPDATE mos_stats_agents SET hits=(hits+1) WHERE agent='Mozilla Firefox 3.0.10' AND type=0;
# Time: 090614 19:30:45
# User@Host: aliz_ali[aliz_ali] @ localhost []
# Query_time: 27 Lock_time: 24 Rows_sent: 0 Rows_examined: 0
UPDATE mos_stats_agents SET hits=(hits+1) WHERE agent='MS Internet Explorer 6.0' AND type=0;
# Time: 090614 19:30:49
# User@Host: aliz_ali[aliz_ali] @ localhost []
# Query_time: 30 Lock_time: 28 Rows_sent: 0 Rows_examined: 0
UPDATE mos_stats_agents SET hits=(hits+1) WHERE agent='Unknown' AND type=2;
# Time: 090614 19:30:51