UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vgW5XHtGmSW67PiEPD9Q0Wdak6zxSW84xDDMeAEppWY=' 
WHERE 
  key_id = '78cc9dab2bcc0a9beec2740eeace66e4edcbed793448f3b4cabdce6e4da81bf9' 
  AND (
    token = 'vgW5XHtGmSW67PiEPD9Q0Wdak6zxSW84xDDMeAEppWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )