INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b243f41fae418a668d40024f73b6e5ab5ea1ee0c4caa9793cf27a57bb58ea3d5', 
    'M3u8qCfmQeo1MwvlHbjKfISefT/wtFrJIKfo5RYK2do=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)