UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'raDYyGvgHspEDswpubk4sRocU6SE3pj8ZoIMmws7Plc=' 
WHERE 
  key_id = '51c5dd3959378a0cd397acda1e5f07a396af89165eaa1e19992b07cbdd0d075d' 
  AND (
    token = 'raDYyGvgHspEDswpubk4sRocU6SE3pj8ZoIMmws7Plc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )