UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHWHkrg+wuF5dbOD1luG+2sfcyIBHRZmCpkqIUMJpXw=' 
WHERE 
  key_id = 'a8693a19457d0da210ba94586cde101c4f7bba403c54108b0f44597c5a659126' 
  AND (
    token = 'CHWHkrg+wuF5dbOD1luG+2sfcyIBHRZmCpkqIUMJpXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )