UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tjrPh3K8GxONjnaRepNkDNqPI+1B9aqlEz4939scbIA=' 
WHERE 
  key_id = '21476bf28cc9b0cb18efc6dc69ace74d5141891a0e95d6eeb28a031fc80d1783' 
  AND (
    token = 'tjrPh3K8GxONjnaRepNkDNqPI+1B9aqlEz4939scbIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )