Помогите сделать Sql запрос в бд

DELETE FROM droplist WHERE itemId= '57' and mobid IN (SELECT id FROM npc WHERE type='L2Monster');
Insert into droplist (mobId, itemid, chance, min, max,category) select id, 57, 1000000, 500000, 2000000, 0 from npc where type='L2Monster' And level < 30;
Insert into droplist (mobId, itemid, chance, min, max,category) select id, 57, 1000000, 2000000, 4000000, 0 from npc where type='L2Monster' And level > 29 And level < 60;
Insert into droplist (mobId, itemid, chance, min, max,category) select id, 57, 1000000, 4000000, 8000000, 0 from npc where type='L2Monster' And level > 59;

UPDATE `droplist` SET `min`='500000' WHERE `itemId`='57' and mobid IN (SELECT id FROM npc where type='L2Monster' And level < 30);
UPDATE `droplist` SET `max`='2000000' WHERE `itemId`='57' and mobid IN (SELECT id FROM npc where type='L2Monster' And level < 30);
UPDATE `droplist` SET `min`='2000000' WHERE `itemId`='57' and mobid IN (SELECT id FROM npc where type='L2Monster' And level > 29 and level < 60);
UPDATE `droplist` SET `max`='4000000' WHERE `itemId`='57' and mobid IN (SELECT id FROM npc where type='L2Monster' And level > 29 and level < 60);
UPDATE `droplist` SET `min`='4000000' WHERE `itemId`='57' and mobid IN (SELECT id FROM npc where type='L2Monster' And level > 59);
UPDATE `droplist` SET `max`='8000000' WHERE `itemId`='57' and mobid IN (SELECT id FROM npc where type='L2Monster' And level > 59);