UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v6Fiuls9CK/9bZWjw4mM3/0JSYHtXqD0+O7UaHvVd44=' 
WHERE 
  key_id = '53a513f56822735fd2abfb25424c69a454d9d5209c75830da9f02bc17b8392f8' 
  AND (
    token = 'v6Fiuls9CK/9bZWjw4mM3/0JSYHtXqD0+O7UaHvVd44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )