UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uX9kDDO68146+GmY63gaWEe1bUZTIWCyreA9F1HdCt0=' 
WHERE 
  key_id = 'a18b83465f2e3bdb5581338c7e518ed23c55480e3748d165607503c8bd7b7527' 
  AND (
    token = 'uX9kDDO68146+GmY63gaWEe1bUZTIWCyreA9F1HdCt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042