UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q0GlzyLDzjKM9UjlEnLqj8NctRdLLlXwiRLSPDg3wMg=' 
WHERE 
  key_id = '3a40a79acd3a167a57431d1832edaa24937f47a6769424a58a46b1fefb274121' 
  AND (
    token = 'q0GlzyLDzjKM9UjlEnLqj8NctRdLLlXwiRLSPDg3wMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )