UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y+8Z+FW6mxhbi7NK7AlDEDcmASUvjRVzMizPgyJI9oQ=' 
WHERE 
  key_id = '35003371641e5511da26998717fa238df1f5b8f1fa38809783ddf09cce728c7a' 
  AND (
    token = 'y+8Z+FW6mxhbi7NK7AlDEDcmASUvjRVzMizPgyJI9oQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )