UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gjJelKA7TBakaikDMx14aSQYA1wUDpUwzEmIMar5/w=' 
WHERE 
  key_id = '938d666888452351dade20d8080a325f45cc754872a63586f832b32ea4bb3b60' 
  AND (
    token = '6gjJelKA7TBakaikDMx14aSQYA1wUDpUwzEmIMar5/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )