UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UTtah3yPgIgefSRLGcIsfHAY51HqriPB/56Djf4qCzc=' 
WHERE 
  key_id = '795be00d3e0e12a2181866711eca81ad04f138e1a7b03be386715e1ec139d3e7' 
  AND (
    token = 'UTtah3yPgIgefSRLGcIsfHAY51HqriPB/56Djf4qCzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )