UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7LQ53ewWkNQ98VSWoM/XVj2EdDCotGYGY2uLqpEym0M=' 
WHERE 
  key_id = '1b4fd75a79eeea9f3c2e1e066276b06e241ed01e1d57adb9851f39a08c615382' 
  AND (
    token = '7LQ53ewWkNQ98VSWoM/XVj2EdDCotGYGY2uLqpEym0M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )