UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LAcD1SbQMqwD5jfwoROcDtHFwvAViqQ3FEz2rt8D654=' 
WHERE 
  key_id = '7f51159bdad586055bc7b44487183faa7c70d142c39e52225953ea4b185c1796' 
  AND (
    token = 'LAcD1SbQMqwD5jfwoROcDtHFwvAViqQ3FEz2rt8D654=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )