UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mRmVGHci68ruUxJJGvFbI0SRx+uIccHgXYlev4gqSYo=' 
WHERE 
  key_id = '7ef7c401794bf1464b27d6164e4c70361c37d987720179783858724b094859b8' 
  AND (
    token = 'mRmVGHci68ruUxJJGvFbI0SRx+uIccHgXYlev4gqSYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )