UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/gnAqRvkGpp64XmcacbJUihJTDdg7M7ChBL0azStdJw=' 
WHERE 
  key_id = 'f6c593dffbe1591a3dc46a1e72dae0d6d43945aebb2d519b7384246c2ba640ac' 
  AND (
    token = '/gnAqRvkGpp64XmcacbJUihJTDdg7M7ChBL0azStdJw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )