UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wwFTsdVA3zmdp93c3Vvqw7/tgPnAl0vMpxYNuo1UMvg=' 
WHERE 
  key_id = '6707f802eeb4709dc53fc5ee2173e480c654fe36b362f506e8d7880f5f23f40f' 
  AND (
    token = 'wwFTsdVA3zmdp93c3Vvqw7/tgPnAl0vMpxYNuo1UMvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )