UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4gYrgdMsvsPGchhBmvKlGXh7/EbsUDuTJtxqz8LHNE=' 
WHERE 
  key_id = 'bb2ca3171ba599760fc54995216ee20e634fcfd9fdc5b1e52d92a7ee27206c79' 
  AND (
    token = 'U4gYrgdMsvsPGchhBmvKlGXh7/EbsUDuTJtxqz8LHNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )