UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmTqqE4wOKKcAEP6MhnTmVTSHwwgxjVqHt+m6cU8sIs=' 
WHERE 
  key_id = '5ab59d4674840ce59e83d5de663c780b62fe775f1c4187429c5f9135b9b91149' 
  AND (
    token = 'xmTqqE4wOKKcAEP6MhnTmVTSHwwgxjVqHt+m6cU8sIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )