UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KdMgspP9/D2n+wTNNf3O8riNQl0HTFPV9Kbpj21cs2M=' 
WHERE 
  key_id = '50190808d3bc023024c8a83575d9190feccaed1d5ed0e5559086418556ef7f41' 
  AND (
    token = 'KdMgspP9/D2n+wTNNf3O8riNQl0HTFPV9Kbpj21cs2M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )