UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8VrEWd8f/a87LUoEvc9h8OeVuKFf2cHGwqaz6ekOzGM=' 
WHERE 
  key_id = '721d35e87912483537607a59ed86b8be34bc6b65943cb468fcdf8760f0076d72' 
  AND (
    token = '8VrEWd8f/a87LUoEvc9h8OeVuKFf2cHGwqaz6ekOzGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )