UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gx0igf169SUW5YhfwJkAT9WPkxGtebT7lCnrtKZd2p8=' 
WHERE 
  key_id = '4cb82b622866f7c109e12f6203daa5da05fcddafd880d8f0ac18596652deae64' 
  AND (
    token = 'Gx0igf169SUW5YhfwJkAT9WPkxGtebT7lCnrtKZd2p8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )