INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8eb998a5e7f53884075959975181f20771817bcb0f2fc973fa2e84808a474d8', 
    'zt690cTXs723OCByd7s9wTKEBtPxYmXnrORq7jr/SPo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)