UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//GEuWT849OTEmXdfmZKPZ8JUzn28QRrEcWQjE2ogTc=' 
WHERE 
  key_id = '8b9e6dc0dba891036ca6f20b8a0deb0e4aee7ff0e29e6e1b33945944e54de3a3' 
  AND (
    token = '//GEuWT849OTEmXdfmZKPZ8JUzn28QRrEcWQjE2ogTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )