UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wo/sRnjF9a/8nhTA5VybITC6Sd0CDDZV+pPzyy4v8Nc=' 
WHERE 
  key_id = '4edf15b8bf1274f16979983dea415d9ad33cc976579f261a284be670c0674ed5' 
  AND (
    token = 'Wo/sRnjF9a/8nhTA5VybITC6Sd0CDDZV+pPzyy4v8Nc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )