UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zt9b6MelHgWs28wXGzazlaPK1lBhPlN9IjJpVTYECys=' 
WHERE 
  key_id = '68e62843fcecb4dac5a0d0bc71af04c6b27ef5529f2413a25197d12ff10b73ae' 
  AND (
    token = 'zt9b6MelHgWs28wXGzazlaPK1lBhPlN9IjJpVTYECys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )