UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k9T0lZM97ZRkvwxbqbZBzLsJw3c8zQbbVBSsRcf7+FA=' 
WHERE 
  key_id = '3083b0db54e9e6c6a0fe5740e3b207c3e223584c76f95f07775a312184dc5aeb' 
  AND (
    token = 'k9T0lZM97ZRkvwxbqbZBzLsJw3c8zQbbVBSsRcf7+FA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )