UPDATE item
SET item_definition_id = 'common.items.armor.agile.belt' WHERE item_definition_id = 'common.items.armor.leather.belt';
UPDATE item
SET item_definition_id = 'common.items.armor.agile.chest' WHERE item_definition_id = 'common.items.armor.leather.chest';
UPDATE item
SET item_definition_id = 'common.items.armor.agile.foot' WHERE item_definition_id = 'common.items.armor.leather.foot';
UPDATE item
SET item_definition_id = 'common.items.armor.agile.hand' WHERE item_definition_id = 'common.items.armor.leather.hand';
UPDATE item
SET item_definition_id = 'common.items.armor.agile.pants' WHERE item_definition_id = 'common.items.armor.leather.pants';
UPDATE item
SET item_definition_id = 'common.items.armor.agile.shoulder' WHERE item_definition_id = 'common.items.armor.leather.shoulder';