UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cmtaJBa3eWmUMmSz67VzWGEfSlDrjjoN1XioEMHxmSs=' 
WHERE 
  key_id = '6ed0935da9e2e9018df5647d4bcc03cb78bf337eff5c75a569702043fdee0548' 
  AND (
    token = 'cmtaJBa3eWmUMmSz67VzWGEfSlDrjjoN1XioEMHxmSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )