UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QMN7/gUa8FtKlNYDxNvwml38b3bOS3zUoJBx1eKVquY=' 
WHERE 
  key_id = '5df4326f85eef336f720ac083e6b9f8ae0b1e044a3d020053f5a8c65e7756a4c' 
  AND (
    token = 'QMN7/gUa8FtKlNYDxNvwml38b3bOS3zUoJBx1eKVquY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )