UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p8Ac6shcv/nqriFuTtZWYExAdpNxz1xIxeYT6wfnl9s=' 
WHERE 
  key_id = '35ef1479e9ca46746d7296390c60d71056b96d79e9299e61d6868f4be3499e8b' 
  AND (
    token = 'p8Ac6shcv/nqriFuTtZWYExAdpNxz1xIxeYT6wfnl9s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )