UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lf6efUsIY4OYPxq/IrisPCkjCUh266rqhXQv8yZ1Co0=' 
WHERE 
  key_id = '92707cfb1da81572cf4848b1edbc102d2aeac82dad402a408b43626e742fab6c' 
  AND (
    token = 'lf6efUsIY4OYPxq/IrisPCkjCUh266rqhXQv8yZ1Co0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )