UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mADVoz4cPfs/XZYiAvOHbeKXfGrN2UgiiboeFrstelc=' 
WHERE 
  key_id = '3404d48f760867658b6a97fffd6c5df41c20f620b888afab61fd59dc1699ebe7' 
  AND (
    token = 'mADVoz4cPfs/XZYiAvOHbeKXfGrN2UgiiboeFrstelc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )