UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L8RfLrjEq4hdPlcSD/BoDUi7WgmMqVqFEBTfxDammMI=' 
WHERE 
  key_id = 'adb081ba2eff89cf7b997541d78df88b46a94b064c607faaa5e6ce329d769759' 
  AND (
    token = 'L8RfLrjEq4hdPlcSD/BoDUi7WgmMqVqFEBTfxDammMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )