UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QJjadbdZYwsn8QPVCeHNvwsAcoMDe7bAEvPf4bSmY6k=' 
WHERE 
  key_id = 'ddf26403170495eeaf00d58dc5c6ec4ee767b5ea6fc3f73ce704a12b7fb0f24b' 
  AND (
    token = 'QJjadbdZYwsn8QPVCeHNvwsAcoMDe7bAEvPf4bSmY6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025