UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k5xfDXK6wuN4J7awW8RBwvwSrvAHzOCaiNwav1ZkDAs=' 
WHERE 
  key_id = '91ec8dc955257b74a904d65325afc38882a18ef4125ff34d9c932298e98c3130' 
  AND (
    token = 'k5xfDXK6wuN4J7awW8RBwvwSrvAHzOCaiNwav1ZkDAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )