UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkUpyhMd7J8cxDXcDaKSYG/R34V07CTiscmcaCNrlU0=' 
WHERE 
  key_id = '794c054e0dc2d9940dce16c5be9ededf1ff6d13e4760d0640b9000d615e665a4' 
  AND (
    token = 'nkUpyhMd7J8cxDXcDaKSYG/R34V07CTiscmcaCNrlU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )