UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ypDrg90xFucFl6oId1icoGXc8r28IqRzxtHqjsvjtMU=' 
WHERE 
  key_id = '3e990e568f7c4f1ccdeb607e631aa4cd3c45939f3cc7f33cce38e0e1738206d1' 
  AND (
    token = 'ypDrg90xFucFl6oId1icoGXc8r28IqRzxtHqjsvjtMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )