UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6lkZb54xE+/H7IRV8qIx6vziPydiqfQIgGvUymk5ZE=' 
WHERE 
  key_id = 'b4fbfb3de4311d78befd2a4b477281fd9f0edeac7cbb09656c25d3b836b1516f' 
  AND (
    token = 'R6lkZb54xE+/H7IRV8qIx6vziPydiqfQIgGvUymk5ZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )