UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/gDfWFB8Ba/916TNFDFKfVuR2eETfQpULSsmxS3pvG0=' 
WHERE 
  key_id = '257e7cf341d41855780adaf1174c4408e6e8f423dcf6cdfad63fe13e61f8747b' 
  AND (
    token = '/gDfWFB8Ba/916TNFDFKfVuR2eETfQpULSsmxS3pvG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )