UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GaSCRNKRiJ6qczEsluSbRttWPndCbVrXlu+1trraMiU=' 
WHERE 
  key_id = '56872a6d17401b2d81c8e9724cb6eb95a4f30016254494669108afa7a67bb0b5' 
  AND (
    token = 'GaSCRNKRiJ6qczEsluSbRttWPndCbVrXlu+1trraMiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )