UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pu2d4Qu0QWxaPSUHMNErgqmF+sCWBCfjGukNrBO2z5I=' 
WHERE 
  key_id = 'e68c39c8700ef4ae344fc8b30164b480a545a1f33cfec5657302348130c84d0f' 
  AND (
    token = 'Pu2d4Qu0QWxaPSUHMNErgqmF+sCWBCfjGukNrBO2z5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )