UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQpVvgSr6AqdNaloxHaRCW52tTZbQf9pAP93WgY6N5k=' 
WHERE 
  key_id = '8d518a08ae227cc717d736fff1bf4ba4bedca07a74f69973f82096b8a5ae2ac3' 
  AND (
    token = 'RQpVvgSr6AqdNaloxHaRCW52tTZbQf9pAP93WgY6N5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )