UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRn0MjUAM9L32VW4rGJ8sHZv66W7hHei0OnZ9FmBfsw=' 
WHERE 
  key_id = '38cfa2f08c0ef5f55b69465df090d8042136b1533000edde782f3c1ce8ef799b' 
  AND (
    token = 'MRn0MjUAM9L32VW4rGJ8sHZv66W7hHei0OnZ9FmBfsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )