UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N0TZ4iYWqgDCHKkBZo49+vZ+w4xjeNWz7jtvGSohuTc=' 
WHERE 
  key_id = 'd26ea646c701c4974e1b822fa6df1ccde31ea7d07c954999bc21f085137b70f2' 
  AND (
    token = 'N0TZ4iYWqgDCHKkBZo49+vZ+w4xjeNWz7jtvGSohuTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )