DELETE FROM `spell_chain` WHERE `spell_id` IN (34594, 34954);
INSERT INTO `spell_chain` VALUES
(34954,34950,34950,2);

DELETE FROM `spell_chain` WHERE `spell_id` IN ( 31833, 31835, 31836 );
INSERT INTO `spell_chain` VALUES
(31833,0,31833,1),
(31835,31833,31833,2),
(31836,31835,31833,3);