UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xfZFwoKG8rJg+RqUxWaiM95iNKc3OzsBlWqHCchnxas=' 
WHERE 
  key_id = 'edaaf2ac5b484d52afb987f832352765852c838ab7a65a255d3188580a4df2cc' 
  AND (
    token = 'xfZFwoKG8rJg+RqUxWaiM95iNKc3OzsBlWqHCchnxas=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )