UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1uAmVX14ViQRmCMOpwH2xVFtnfjYi9umG3zRfEkd/o4=' 
WHERE 
  key_id = 'f953d46676fc4a2a7737f05d09a42fb4f79912e6696acef39ca40893e6dcd8f3' 
  AND (
    token = '1uAmVX14ViQRmCMOpwH2xVFtnfjYi9umG3zRfEkd/o4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044