UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zr1CkTno/tOUYeJ2zIPe09IU+pWRgbrCXpsyLTPrTIY=' 
WHERE 
  key_id = '612c2bdfb20a2961bb74a2471e38cf981ea1092886b5751966a8c0b129c5502d' 
  AND (
    token = 'zr1CkTno/tOUYeJ2zIPe09IU+pWRgbrCXpsyLTPrTIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )