UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/S6F0I7vQGagGvmRTHlqHTaeqCtD0D2VbkcrIMsvzFo=' 
WHERE 
  key_id = '9657cc3ebd8785c79a94fbe1e537992d60ecbf6de67323e7c95923726470156a' 
  AND (
    token = '/S6F0I7vQGagGvmRTHlqHTaeqCtD0D2VbkcrIMsvzFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )