UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mny0eZtBl6A1SAQGJSomvtrfU6lnqzFXcOiK2ZkXL/8=' 
WHERE 
  key_id = '36f9d2d2aa784c476651954528e91f3423efaed2f874869b908efdb51da5e836' 
  AND (
    token = 'mny0eZtBl6A1SAQGJSomvtrfU6lnqzFXcOiK2ZkXL/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )