UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Si4iVPTQWs3hk6XVBx7FmBVEWOjOa7waWysEht0At18=' 
WHERE 
  key_id = '6acce7b3359fb20cd727f25a0934a55e63a17c6bcc5538dec705736c7ab8d730' 
  AND (
    token = 'Si4iVPTQWs3hk6XVBx7FmBVEWOjOa7waWysEht0At18=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )