UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4JUyzwl4WOf6l3wdS2GUUb8YDc/TxgNNNL4h5VJQtFM=' 
WHERE 
  key_id = 'b21af48ce982022d783d5fb2accf4c9f5853a9cb1f6b73e453c4ad8d75110cd5' 
  AND (
    token = '4JUyzwl4WOf6l3wdS2GUUb8YDc/TxgNNNL4h5VJQtFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )