UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nK7ENU84Vlxb1k2VphFAquPvEQQZ/TBW1yAcn5QdLvc=' 
WHERE 
  key_id = 'd7431060e34ae3512016cac2e7ee3db8de56c3076e130fb23fc97fde5ca6fef7' 
  AND (
    token = 'nK7ENU84Vlxb1k2VphFAquPvEQQZ/TBW1yAcn5QdLvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )