INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5a3da4fd25d49c0186dc17dadea27a0e9b27389933c68ce269e62cc6745dd10b', 
    '5vtJN92WxhENOXvwGugsrCMVilBOf12N1gwhOpM1ZYI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)