INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '321a08494b3eedd075ef06996352b65437fa503fef517fd4e1bc6c003f82562d', 
    'PXu0rJhCOUDHgJYqo0zCnQt8nEkStdqDxx6v/+Zf3vc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)