UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zKxs9CJKQ/0he0+51TSdiQACS3eNRdxgQHHnbpZeYiE=' 
WHERE 
  key_id = '1a283746f4a3b7af538457d6459d4812f9c7536d9fa2c39f6f469a8d50e7dff0' 
  AND (
    token = 'zKxs9CJKQ/0he0+51TSdiQACS3eNRdxgQHHnbpZeYiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )