UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aSXrlmE6YOdup89/nRvqLtiuOQdPIdrNBQfqKcTaaRw=' 
WHERE 
  key_id = '81939d8bf816a486e71fdb656b9b19cc8c0e5cf80cf09ebd772eee88d494e4a0' 
  AND (
    token = 'aSXrlmE6YOdup89/nRvqLtiuOQdPIdrNBQfqKcTaaRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )