UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kbj9cnNrH9LCxdWFfqJwv16p+vLOhUHQtN8L3TYPECY=' 
WHERE 
  key_id = '7ca88ce6a611e67e9e2c0c0e2e988e1e7180baf89c0ee9de38a8bc169d3dacd8' 
  AND (
    token = 'Kbj9cnNrH9LCxdWFfqJwv16p+vLOhUHQtN8L3TYPECY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )