UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dFUj2lrxjCWi5HNzcMVVhfZCX+9QhjjEGuDQAT5UvvA=' 
WHERE 
  key_id = 'a86e096ca6aa3a1ae275545e5fc53af03e60747ef154868fe10fd15d552d8c14' 
  AND (
    token = 'dFUj2lrxjCWi5HNzcMVVhfZCX+9QhjjEGuDQAT5UvvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )