UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GvukU+kKNyXd9zQtQ6FihSLMAjxXM6pT4/9W5P8wfWs=' 
WHERE 
  key_id = '758b51e239977e42dd4f86288b0379fd9cecf6b62b68aadf6cfdbeba64a9e68d' 
  AND (
    token = 'GvukU+kKNyXd9zQtQ6FihSLMAjxXM6pT4/9W5P8wfWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )