UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sOGOjadcn6JSEqOrX+W6mDgJhhlKeoqLvs8vCa1E+gQ=' 
WHERE 
  key_id = 'c2545185d34c5d94417887303ec61ed9af419368a5a793029cc164e220f26701' 
  AND (
    token = 'sOGOjadcn6JSEqOrX+W6mDgJhhlKeoqLvs8vCa1E+gQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )