UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Za1tqg6nKy4TzmjLI125iE6jpeXJDElve/UOaJ8fDcg=' 
WHERE 
  key_id = '55bf1077a612fc473930b1f96cecf94efc9fab13cad7fb65cab23199b288c5d3' 
  AND (
    token = 'Za1tqg6nKy4TzmjLI125iE6jpeXJDElve/UOaJ8fDcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )