UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SbjqrPNCTil5YJ5CFgTr4ZLSpVXRkstxVfPzqhQmkug=' 
WHERE 
  key_id = '4a6b4281bb7bb6a98d34292bcf451669bd4ebaf37ba8ccf13f3e211977e09d56' 
  AND (
    token = 'SbjqrPNCTil5YJ5CFgTr4ZLSpVXRkstxVfPzqhQmkug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )