UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4g6JPxn9e22HYukIrjhuC8kG9+EiisNLSC1+UzLpqEI=' 
WHERE 
  key_id = '203285e10d35a6e541da70b1793ccfe17c8bdb1fa5616ff90244ebbad41fbd06' 
  AND (
    token = '4g6JPxn9e22HYukIrjhuC8kG9+EiisNLSC1+UzLpqEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )