UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DIK6WEHfUzZvWt/292n9oRN7r9c51IbzzSSmypvudl0=' 
WHERE 
  key_id = '3919f964a0b25eb8ca482d976684ae722b6e7e7174aaf46ca2e162f1d1ca0eb9' 
  AND (
    token = 'DIK6WEHfUzZvWt/292n9oRN7r9c51IbzzSSmypvudl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )