UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TD2gM3nCqwbfRypww3Q77nd7oS2saZIrYa8VCtcJ8A=' 
WHERE 
  key_id = 'e14ce00d0ceb7c0ec521198a89f9ef38dd2e30a23f905814edaeddaf34e89383' 
  AND (
    token = '6TD2gM3nCqwbfRypww3Q77nd7oS2saZIrYa8VCtcJ8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )