UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '02M9wFxSMw78MeKgDC27qLjIO90l36KtuwzlAvoA3w0=' 
WHERE 
  key_id = 'a6c920c2f8bdc96f2d9f36735ecc52ff0370503f8035d7a4138dfe08f0aeb94c' 
  AND (
    token = '02M9wFxSMw78MeKgDC27qLjIO90l36KtuwzlAvoA3w0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )