UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LcuK6bBja07RWWvQNyD+c6XC8IK5xYEIsxpLDQ4XiTA=' 
WHERE 
  key_id = '4764db9f68188818e09172c6bf4c730c82baba37e9843e935a9c763fc20ebe75' 
  AND (
    token = 'LcuK6bBja07RWWvQNyD+c6XC8IK5xYEIsxpLDQ4XiTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )