ALTER TABLE `bot_push_logs`
  ADD COLUMN `claim_token` varchar(64) DEFAULT NULL COMMENT '推送领取令牌' AFTER `error_message`,
  ADD COLUMN `claimed_at` datetime DEFAULT NULL COMMENT '推送领取时间' AFTER `claim_token`;

ALTER TABLE `bot_push_logs`
  ADD KEY `idx_claim_token` (`claim_token`),
  ADD KEY `idx_claimed_at` (`claimed_at`);