UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zh1RBW4uQvFbVtoaWQx4pHUeigNwxN62UnAF6BsKiCA=' 
WHERE 
  key_id = '83cfb1ec247209359b4dd9479582049be93bf568ad0decf6ac2008b23637ef95' 
  AND (
    token = 'zh1RBW4uQvFbVtoaWQx4pHUeigNwxN62UnAF6BsKiCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )