UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S7yZpwvYiR+iOeLneWpCcziL0047xf9p2GpkZAFfY3g=' 
WHERE 
  key_id = '642a56334e0f3393b7de1d5a5b47d8f5e3ab0690fdedff6153b14cac1c9d55e3' 
  AND (
    token = 'S7yZpwvYiR+iOeLneWpCcziL0047xf9p2GpkZAFfY3g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )