UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4arnnxSrIarXXmUO8jMniqWl/B+Y41QC7P7rdPxcR0=' 
WHERE 
  key_id = '1d81fd34b15b6dd726d1d75e6293316078e8681fa7a7c2a338d200d8d9f768d0' 
  AND (
    token = 'U4arnnxSrIarXXmUO8jMniqWl/B+Y41QC7P7rdPxcR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )