UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fHI99MFlD9epEesCh1IqRls1zfJ+yIzrCKNSKa6egMw=' 
WHERE 
  key_id = '66f1657c10bc81cad8b4704e38f945660e5932498ff89dda7c0bffb2529b53ce' 
  AND (
    token = 'fHI99MFlD9epEesCh1IqRls1zfJ+yIzrCKNSKa6egMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )