UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50meFFqkUTqxBRAb4dssfBSkjF5YKy0r7hrFMaFYRD0=' 
WHERE 
  key_id = '356900644923f460209244a5c1eef4cdbccacb63ecde4259cbc45d0e813d5046' 
  AND (
    token = '50meFFqkUTqxBRAb4dssfBSkjF5YKy0r7hrFMaFYRD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )