UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Oq5ZgS/2g93tvFGKBoeIkztUDUyad6rYjTjNvetcJ98=' 
WHERE 
  key_id = '9aba2faa2bf0eaa1e6d5803220c99633c49ed0c619e94f052a02d7e65a9241a1' 
  AND (
    token = 'Oq5ZgS/2g93tvFGKBoeIkztUDUyad6rYjTjNvetcJ98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026