INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c3ffb1fdb8ef22469204e7e67ba8b89ff74121658cbafba528217ef4c7ac569', 
    'Pk5gj3FzkUkrkY0FXI2a4iHvvv4mQSp/4ax68C45x6Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)