UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2yN7F+DtnnKYKpPIxoIAJ4DOd7Y/1KBKXf/z0dImVE=' 
WHERE 
  key_id = '834ed1641403c5d8c608f9050ec7ef78ec43bb2e6fbecd86667dbbf8fa3a3394' 
  AND (
    token = 'R2yN7F+DtnnKYKpPIxoIAJ4DOd7Y/1KBKXf/z0dImVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )