UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KG/DPE4IqAAhNVbs+ffLKMKmEIvS9vIqX/grsXUzns0=' 
WHERE 
  key_id = 'b51015f64435fd00230b3be8d173c1f87b5eed6a38872152f9bb6011f4a8c589' 
  AND (
    token = 'KG/DPE4IqAAhNVbs+ffLKMKmEIvS9vIqX/grsXUzns0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )