UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VOB3R35UVH7VvsgH5YIFUEGbkmw6teBEBCVnBsNQty0=' 
WHERE 
  key_id = '338df4a3abeca046c80a2726792579f0cf25e51f8ab87ad17428c59ee40a8285' 
  AND (
    token = 'VOB3R35UVH7VvsgH5YIFUEGbkmw6teBEBCVnBsNQty0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )