UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z91n8hxYXcpviTfYsPrju3RGWbpvbRkuq3AgZ3N/vUM=' 
WHERE 
  key_id = '34327ec3543f85c187d2a437e09b87e8077f3c41ad15ca4a70df9212ce451f24' 
  AND (
    token = 'z91n8hxYXcpviTfYsPrju3RGWbpvbRkuq3AgZ3N/vUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )