UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rzUGp81X2agAgVZeO8MJFk6IecL3blX0IHnq3rhkV+o=' 
WHERE 
  key_id = '3693b27483214cb867b4e347e9ed96883a6bc9f6d797578fec1092d63d6b518d' 
  AND (
    token = 'rzUGp81X2agAgVZeO8MJFk6IecL3blX0IHnq3rhkV+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )