UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Goz8pekib5RuwiG9SkLjFrMRjGuM0w/tgv2V+uBncN0=' 
WHERE 
  key_id = '1429acc5d5b2af6726f1184c028b0626cae48ffa48cfec5f3aff2e1fc0473679' 
  AND (
    token = 'Goz8pekib5RuwiG9SkLjFrMRjGuM0w/tgv2V+uBncN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )