INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2ad31b100a27797b39381a20f805794dd18a2aad53769212189d339c37a4218e', 
    '4cT+5w6lk2vuTxvTOd/cK+0OWC24EVK7TCe0GMfc5do=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)