UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S3CtTgOqCoYYp/8yhbbCPGBO/kMmwGUqjRVKLTDEbtQ=' 
WHERE 
  key_id = '436c81659310de1248f8e20ae35664f0a13f65c19d5fa1bb2d8f74c440a6c879' 
  AND (
    token = 'S3CtTgOqCoYYp/8yhbbCPGBO/kMmwGUqjRVKLTDEbtQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )