UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tmv/0l4e16lDY43gyzS23BirKkeM7hdSqCXPG7fOox4=' 
WHERE 
  key_id = 'c84e3680790abb29f9c6279a606c69533d63336ffde5d88cae97d90592b2f057' 
  AND (
    token = 'tmv/0l4e16lDY43gyzS23BirKkeM7hdSqCXPG7fOox4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )