UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lGmxn8jMtl04sQVG1a9O9EimQvt+izdvwoZkgYaLslg=' 
WHERE 
  key_id = '94c59c5dbb92103aabc194a55ce22d6049d87d497daf0d2a3a74de67ef48aa13' 
  AND (
    token = 'lGmxn8jMtl04sQVG1a9O9EimQvt+izdvwoZkgYaLslg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )