UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4epTw5XYcDBnETjArS43xL9wIhdhJtnVPOSQZoPKS54=' 
WHERE 
  key_id = '00a50d05a08c2d39e0c0298a8ddcf693361ddd7bce8c97f6ae6276ca7c6645d9' 
  AND (
    token = '4epTw5XYcDBnETjArS43xL9wIhdhJtnVPOSQZoPKS54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )