UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZFnhbSfXudEIBBuCSn1IyGpw9hOYvbqCw3rX80xnck0=' 
WHERE 
  key_id = '1b2637f2e54f9ff63d459ebcae72d3abb4c79392c1650b87b57466a8beeac982' 
  AND (
    token = 'ZFnhbSfXudEIBBuCSn1IyGpw9hOYvbqCw3rX80xnck0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )