INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ebb49c1e1c553046012f7dc4209084fe0c0e8da696d065523f2e59c19c59138', 
    '9cHHYkj83HWS6ySExo09GM8zz880mS578r8HG7vCFLM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)