UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Gd0wSDhS3Ded9UsIMuyocsUfca8h0vlxoSH8uMVhHA=' 
WHERE 
  key_id = '3749f2c69644fb4b6b910c1dc955878a534b81a266bd6bafb0543aae18516fd8' 
  AND (
    token = '6Gd0wSDhS3Ded9UsIMuyocsUfca8h0vlxoSH8uMVhHA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )