UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'llNLGbxGZ61FFDa4j1qnfMvq+NUXAm57LKLvdDxmrrU=' 
WHERE 
  key_id = 'a91c340bd5a5f6719db86674c099fa09c7e7b7b1e4627742ca5f5a386e2dc8a3' 
  AND (
    token = 'llNLGbxGZ61FFDa4j1qnfMvq+NUXAm57LKLvdDxmrrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )