UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wRfkHOfLTXxM4i65yXzsjD/1HemPnTNoo8qfvOnUlKk=' 
WHERE 
  key_id = 'd3e00a7e61449ed4711deb36fce60d12b46eb60aa988b1389116540b1134c821' 
  AND (
    token = 'wRfkHOfLTXxM4i65yXzsjD/1HemPnTNoo8qfvOnUlKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )