UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+xcvxffrzBq1RgQsmGIDm2eH4Ck5iYxQmukcgB8szt0=' 
WHERE 
  key_id = '0a8d92850aaf6b6c2c58bbcac109b41c2189cfa2391b8e299e2b2173409b183c' 
  AND (
    token = '+xcvxffrzBq1RgQsmGIDm2eH4Ck5iYxQmukcgB8szt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )