UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xMeu7fgrsYJzN1pmdh5gGQEzqkoe94tyCpexDq20j80=' 
WHERE 
  key_id = 'bf8308464707e83b94f697f189abaefed75e5b5f17e94047fda26662bc6648db' 
  AND (
    token = 'xMeu7fgrsYJzN1pmdh5gGQEzqkoe94tyCpexDq20j80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )