UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9Yfhg+L89PQnY48gZ8sCu1OZGLte45aMPvaPuK6KLtY=' 
WHERE 
  key_id = '6e8ed619ad8252608fe7ffb3f235e45c0971a38101f3359d50cda7740aa71da9' 
  AND (
    token = '9Yfhg+L89PQnY48gZ8sCu1OZGLte45aMPvaPuK6KLtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )