UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+hO6WPd2B0endy6enDaAfqYCAsf8I3Az6H9nimk1gks=' 
WHERE 
  key_id = 'f6f5413a76b84771c50a731984c71a064e821b2a59ae2108326cda09aec32e82' 
  AND (
    token = '+hO6WPd2B0endy6enDaAfqYCAsf8I3Az6H9nimk1gks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )