UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RmE8oDrmu3AqaO3n9VGUr9RPOzGswiKZHpPweLMN/gc=' 
WHERE 
  key_id = '047a2ad80ebd6a45b1c753c28f44b952889e180611e91cca6e3b66497c843919' 
  AND (
    token = 'RmE8oDrmu3AqaO3n9VGUr9RPOzGswiKZHpPweLMN/gc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )