UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zYOn88tBxGoEuTKcslPYxpkSoGoMVbl21KVWHiU5Io=' 
WHERE 
  key_id = '4881bec48fa2ae9309914b383cb4cb857829ed711d49fedf3bf27c283d81d2f7' 
  AND (
    token = '6zYOn88tBxGoEuTKcslPYxpkSoGoMVbl21KVWHiU5Io=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )