UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f4eBcu36brZDfWEbqP3DGyvRXdATUwwFiTdFzpI+j7Q=' 
WHERE 
  key_id = '3583d96cf3c9e4ea1fbb9b1c1370d118f04d292ae39b6480d2d6853eb34478d5' 
  AND (
    token = 'f4eBcu36brZDfWEbqP3DGyvRXdATUwwFiTdFzpI+j7Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )