UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v/lhOC8W7xkINpKRqdwOWUVdp/7Y2SuJyFNiyGs8c98=' 
WHERE 
  key_id = '7976968e51ee0d20d5ff7f861b05f78fe36f61d667ceaa4a55858b1ba080d59f' 
  AND (
    token = 'v/lhOC8W7xkINpKRqdwOWUVdp/7Y2SuJyFNiyGs8c98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )