UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dx7P3ybJzDdRqUROPZdIDMFJTEXyTNEVBAQ6UawewsY=' 
WHERE 
  key_id = '8b4ff3aa683b47f141832d92fdb2b509ff2068b36267323ccc163d1cfb33617e' 
  AND (
    token = 'dx7P3ybJzDdRqUROPZdIDMFJTEXyTNEVBAQ6UawewsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )