UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DHJqyat0EYr5m3CdkMd7boeorsQLlF49fiRITD1sCr4=' 
WHERE 
  key_id = 'a50c4019bfd2e48b70d3493b2eedbb88da9567682ae01c805a9f632a25c1e98f' 
  AND (
    token = 'DHJqyat0EYr5m3CdkMd7boeorsQLlF49fiRITD1sCr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026