UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6nz0Bwbt2qOhZxXj+JepE5fZ9ihVbJu9woCw9jNuKU=' 
WHERE 
  key_id = 'e1f97893c4604dedc7f8d240df18b800ba6f14162a9533bb518f47127815e7ac' 
  AND (
    token = 'a6nz0Bwbt2qOhZxXj+JepE5fZ9ihVbJu9woCw9jNuKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )