UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n9iNpb1ZVr7lAXEC99OAbV3i6sJ4SxqV+EL6tcMDEoM=' 
WHERE 
  key_id = 'bccf879e5432a984dfe91c7a682bc33fef7a8eacd0e2ed96aeeccb6472221c2b' 
  AND (
    token = 'n9iNpb1ZVr7lAXEC99OAbV3i6sJ4SxqV+EL6tcMDEoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )