UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8PM2GZq93YQAMKRMxiaGWpNmf9NhOVbKiBwA385YkTc=' 
WHERE 
  key_id = '84215b7ad314659369b40003c0660f45db61d609b98be4a7578dbd4f54440e56' 
  AND (
    token = '8PM2GZq93YQAMKRMxiaGWpNmf9NhOVbKiBwA385YkTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )