UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TttK5zQsBSDOOq1M3AzRUU1L3d6b7+796DUGgxJNBKY=' 
WHERE 
  key_id = 'c9bc3811438bcf1ba291d87742bb8a2b825f7be9e7ea89042e21f606d77b119e' 
  AND (
    token = 'TttK5zQsBSDOOq1M3AzRUU1L3d6b7+796DUGgxJNBKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )