UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5ANobnYiGPx5Axc1Y6QmETS8RAY3Wlq4Lv+Q3U5z9+I=' 
WHERE 
  key_id = 'eac5e03b788b279bd867b81b6c7b2b67c8662168091b9bf498531105edbdecbf' 
  AND (
    token = '5ANobnYiGPx5Axc1Y6QmETS8RAY3Wlq4Lv+Q3U5z9+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )