UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iUO2i5KLVzXI7sHLWB/OrRcutGRdeXexZ2J3lEqdTMk=' 
WHERE 
  key_id = 'b8fc4452f8cecc3e7dcfd1a1a32ff8f3df58e7a24fe19d1627ef1f93316f52c4' 
  AND (
    token = 'iUO2i5KLVzXI7sHLWB/OrRcutGRdeXexZ2J3lEqdTMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )