UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wnPy13rDpP7ptpnZhOAgLRc17RVnX4eYSGGZItUiyLI=' 
WHERE 
  key_id = '7846551f157e437f305852bd85a4a088888eed0e46ddebb2c90362fdd4736a43' 
  AND (
    token = 'wnPy13rDpP7ptpnZhOAgLRc17RVnX4eYSGGZItUiyLI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )