UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UYf8Kiov0TLrHqL0KR9ofJCw+WM1KjO1EfhyuK4FDWM=' 
WHERE 
  key_id = 'c6f4aa2dcd397f1ea89a416918f82b751f8294dcddf2c1010377cfbd6f4847cd' 
  AND (
    token = 'UYf8Kiov0TLrHqL0KR9ofJCw+WM1KjO1EfhyuK4FDWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )