UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'htnYw4Ygq7eAsyydlUUGkFRbjpGdaoJgihKWchS3XuA=' 
WHERE 
  key_id = '57a992f09c0a1c77c62cd240934e7863a50d2b05fdf4bbfb429f1813335fa9be' 
  AND (
    token = 'htnYw4Ygq7eAsyydlUUGkFRbjpGdaoJgihKWchS3XuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )