UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0S3gTrtTxJzWiTgb9hLeCFO75jbAf1vju9lalSySHOA=' 
WHERE 
  key_id = '17f64bbf586bbfa1de0486a5a50799205d8ec4141baec6cd160c20739d4bff58' 
  AND (
    token = '0S3gTrtTxJzWiTgb9hLeCFO75jbAf1vju9lalSySHOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )