UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ec1WLNbnrhhnUWeUA0SNH7ddkpztjE/g6Kr5NOXSf+k=' 
WHERE 
  key_id = '7591af4637df11dff7483bf9a409031a3bc699e01f804e372761352dc138296f' 
  AND (
    token = 'Ec1WLNbnrhhnUWeUA0SNH7ddkpztjE/g6Kr5NOXSf+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )