UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xCtUIJN5v8F3wKWZDgKCq1zD29cfwcjTDSZVLcbNzbE=' 
WHERE 
  key_id = '239a4fcf9cee2245646d7b55d50f11d118a71b310b1edd929dc4040951b1f3b5' 
  AND (
    token = 'xCtUIJN5v8F3wKWZDgKCq1zD29cfwcjTDSZVLcbNzbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )