UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KqtctdNShcGFBkNdCfQiDxS5+B8Z9yQ0zg8iosvN39Q=' 
WHERE 
  key_id = 'ea64fb9707734cbd1e152e8f1b0887762dc361341706dcd14ef84b3d61ad1ea6' 
  AND (
    token = 'KqtctdNShcGFBkNdCfQiDxS5+B8Z9yQ0zg8iosvN39Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )