UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/CRpA2Rl2HGDv4+6etk7ve+B/1yODJv3zsyViK0SZTs=' 
WHERE 
  key_id = '82f75535d4523dec02a416efb1836e72e05c1435e765ffe12fc0f62d45b4c4cb' 
  AND (
    token = '/CRpA2Rl2HGDv4+6etk7ve+B/1yODJv3zsyViK0SZTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )