UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BDlbwAluU8Pt+GmtmQQ+gUeSTBpBN+vsM//DuSVSuQY=' 
WHERE 
  key_id = '31b8b05ddd8cb695bb896eedcd49cdd6adeb515ffb72f54de2be8e046d81e67b' 
  AND (
    token = 'BDlbwAluU8Pt+GmtmQQ+gUeSTBpBN+vsM//DuSVSuQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )