UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DB4gtDs70ARiLrW+IIe27AOmur8ZUl9FgVxWP1g5jhI=' 
WHERE 
  key_id = '481187102983314e59e5619001429aa2027a87b41dd0084ba314987d2c4983bb' 
  AND (
    token = 'DB4gtDs70ARiLrW+IIe27AOmur8ZUl9FgVxWP1g5jhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )