UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nJrPBttBfTDQzh/WctzhLf4yrQnFg0OTEJFc8Sze6ro=' 
WHERE 
  key_id = 'f62e64992b5ce581b583b510269e3c4a535531335472cbbb44c5601a58585518' 
  AND (
    token = 'nJrPBttBfTDQzh/WctzhLf4yrQnFg0OTEJFc8Sze6ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )