UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HDg2RQr77v8loaB6ZuJIkzUdWUekPHHb1+7TvP9eAa0=' 
WHERE 
  key_id = '475af61ac448af7c4d109899ddd397bf70478f3e4892898945545d0b0e4c6cfb' 
  AND (
    token = 'HDg2RQr77v8loaB6ZuJIkzUdWUekPHHb1+7TvP9eAa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )