UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qerTbmOjwOLP6xSwb4TQ19I0OwoWH0zQplkOucMdYTU=' 
WHERE 
  key_id = 'b249e9d773d02b3b8ddf78dbd7de15ea1137c6d6329316485ccc0802dc7a43ca' 
  AND (
    token = 'qerTbmOjwOLP6xSwb4TQ19I0OwoWH0zQplkOucMdYTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )