UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cKlNySioPPVMbm6LxBORqgeVqjBy0+UtVwRVBxFVUkM=' 
WHERE 
  key_id = '696d95a3f119ab68f24cd022c9f35d50e9eb817e635c882f3ff9c509909cc771' 
  AND (
    token = 'cKlNySioPPVMbm6LxBORqgeVqjBy0+UtVwRVBxFVUkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )