INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a28b8d35d810d75b0739221de019fb4d3d49d24fbb6375494a9effe31c0e113e', 
    '5C1LMpklr3XuroZ6lT544tPK/j08xGtIrmG4sMqdqVo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)