UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RTSn7Z+0PMU0U5hTgGgXte8koA7s46F0gwrwrpLVc/0=' 
WHERE 
  key_id = '81bae42f09870ac1df245e29348207b14a3607b4a12b29d8fb971c7a7319b62f' 
  AND (
    token = 'RTSn7Z+0PMU0U5hTgGgXte8koA7s46F0gwrwrpLVc/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )