UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '516uCTFYztQ0SyPjfp9DY0YdrTDmq0jn3sGDqATTbes=' 
WHERE 
  key_id = '797992e0416f2a6169688619e93cb4ca9fa98135873ed8af7ec6961c1dfd32bb' 
  AND (
    token = '516uCTFYztQ0SyPjfp9DY0YdrTDmq0jn3sGDqATTbes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )