UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RWDoY9vtBgMsbtU1yADXTmX2+XvrXrprsY1T/jGPJzY=' 
WHERE 
  key_id = '251465879c86756181f9708630fc1c21984388231f8f95c2d6d02136ca7e79f0' 
  AND (
    token = 'RWDoY9vtBgMsbtU1yADXTmX2+XvrXrprsY1T/jGPJzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )