UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pnCaYqF+W8PHb5TEbXv2DTR4qrBgjia8PWnYyMek0k0=' 
WHERE 
  key_id = '251fb4d2c9da77ee95a6cff6897d097032b60aed6bf096e97ba6b90554a98e5e' 
  AND (
    token = 'pnCaYqF+W8PHb5TEbXv2DTR4qrBgjia8PWnYyMek0k0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )