UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rj4GC4ZeLA8MwWU3vIeNtKtiH7313xrBvZYyaZwxCME=' 
WHERE 
  key_id = '5d256e80aeb9a37821ea0cb862d36a22533b531df94503a61ebc5a87d0e2132d' 
  AND (
    token = 'Rj4GC4ZeLA8MwWU3vIeNtKtiH7313xrBvZYyaZwxCME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )