UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unBcsvIrzIoouIEjs0ojwpnizgrcWzgG/GUMBsu+Azo=' 
WHERE 
  key_id = '31d2b1b2096b5259f609985bcc5917246906b3a42b73507b5aceda0c7de47b2d' 
  AND (
    token = 'unBcsvIrzIoouIEjs0ojwpnizgrcWzgG/GUMBsu+Azo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )