UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KXkUKWrK+Lvqu1/Cqrz8l8C1tpxFMs0g3tMVaI/T2nY=' 
WHERE 
  key_id = '9c8e94b3124a3f05efc9620295c54859c514996e8f894d70a4790d9ed269b0db' 
  AND (
    token = 'KXkUKWrK+Lvqu1/Cqrz8l8C1tpxFMs0g3tMVaI/T2nY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021