Stormshield duration increase

DELETE FROM `spell` WHERE `ID`=977930;
INSERT INTO `spell` VALUES (977930, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 100, 0, 0, 0, 0, 31, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 6, 6, 6, 1, 1, 1, 0, 0, 0, -1, -11, 29, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 107, 87, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 126, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24173, 0, 0, 'Stormshield', 'Unknown Spell', 'Unknown Spell', 'Unknown Spell', 'Unknown Spell', 'Unknown Spell', 'Unknown Spell', 'Unknown Spell', 'Unknown Spell', 0, 0, 0, 0, 0, 0, 0, 16712190, '', 'Rank 4', 'Rank 4', 'Rank 4', 'Rank 4', 'Rank 4', 'Rank 4', 'Rank 4', 'Rank 4', 0, 0, 0, 0, 0, 0, 0, 16712190, 'Spell damage increased by 30% of Stamina. Physical damage taken reduced by 10%.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 'If you\'re reading this you need to update your patch.', 0, 0, 0, 0, 0, 0, 0, 16712190, 'Spell damage increased by 30% of Stamina. Physical damage taken reduced by 10%.', '', '', '', '', '', '', '', '', 0, 0, 0, 0, 0, 0, 0, 16712190, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0);