UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q9Xlf4qFrG+3LWMs2G60gct3mTVjl5zZG2GCJdlAK20=' 
WHERE 
  key_id = '82dda5117abdaed30f0a38d8df3bba19de0a28a8b2770a174130be50f6c2c0a0' 
  AND (
    token = 'q9Xlf4qFrG+3LWMs2G60gct3mTVjl5zZG2GCJdlAK20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )