UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3uAiELi+xGPVKaTEjyj7WEkpHApDkRfpMfymlImIf0=' 
WHERE 
  key_id = '17929dc27208e8317fd22fa343a4923893caa6340954db4ec70977f173611a39' 
  AND (
    token = 'u3uAiELi+xGPVKaTEjyj7WEkpHApDkRfpMfymlImIf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )