UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UrxVX79XHLcN7qoEUrrUeXFiSnnlvf+FM4O7TZStja8=' 
WHERE 
  key_id = '5ea2d6f01e27f6a52fa2221e7156d0cb258ed0a599c44e7df20e7520ed4a2d32' 
  AND (
    token = 'UrxVX79XHLcN7qoEUrrUeXFiSnnlvf+FM4O7TZStja8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )