UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+n9OBwqzry9hQNFbv7wwAes0FuRz8N5OxJjzWib5iZc=' 
WHERE 
  key_id = '4d4d181e2983c6891ffbbd3698fc3f67c0693a36d5a5a1652cee8813df021855' 
  AND (
    token = '+n9OBwqzry9hQNFbv7wwAes0FuRz8N5OxJjzWib5iZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )