UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6s8wxrMhSXXXAqQu9eWZyWjsYFwaNI94mAoXsV/nYg=' 
WHERE 
  key_id = '93c81474ec07ebc29f248cdf01d7e7077b029adc1ec41c97e416de70b7de84ea' 
  AND (
    token = 'N6s8wxrMhSXXXAqQu9eWZyWjsYFwaNI94mAoXsV/nYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )