UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OxU3wzO1FOFN+rLzATESllukkbYTpURoEumyZLdltdc=' 
WHERE 
  key_id = 'c781d1ebf01bb97a61b3493b8d45db7adb06d26f4a4c9685e7f178abd7600820' 
  AND (
    token = 'OxU3wzO1FOFN+rLzATESllukkbYTpURoEumyZLdltdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )