UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VJHiX5Znv2Qhx13po2EhnbVNjl+n1hz564IimrdlCR0=' 
WHERE 
  key_id = '39837943e6d19fc6e6cfb4b6b46a8b9917ec3ec082648689824d21a8f72dd337' 
  AND (
    token = 'VJHiX5Znv2Qhx13po2EhnbVNjl+n1hz564IimrdlCR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )