UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kd7hgXKlFaKtUd7mVLqaG6NJ0M3bjAthpgWK06ywJ2A=' 
WHERE 
  key_id = '76bcf30c9fb229afed7de8735dd8766c957829eabde229440941f8dec8eb1979' 
  AND (
    token = 'Kd7hgXKlFaKtUd7mVLqaG6NJ0M3bjAthpgWK06ywJ2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )