UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sMVB14U90TqrUy5IreGKvAKeXGt7Qase6rVuDHlbMXw=' 
WHERE 
  key_id = 'bda557f6224b74093954659a3528379f8871af18cd3abc8c57d450ed0971b704' 
  AND (
    token = 'sMVB14U90TqrUy5IreGKvAKeXGt7Qase6rVuDHlbMXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )