UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UCHH6cvBGB7GiTvW+qAf+lw63yymImACv79tM48TjcI=' 
WHERE 
  key_id = '7a9ff41e081dcf49cca486f7ff831d566c012f936500578529149c79fae3e098' 
  AND (
    token = 'UCHH6cvBGB7GiTvW+qAf+lw63yymImACv79tM48TjcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )