UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AwlRqqYQ2LaNveTFcj4JOzpnVrP+lG0b9rXw+hkhUI4=' 
WHERE 
  key_id = '78be755e877874714711e1336c85091390b38c97e242c7ca4fe44c333e7c2360' 
  AND (
    token = 'AwlRqqYQ2LaNveTFcj4JOzpnVrP+lG0b9rXw+hkhUI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )