INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c4994c9b06d82848a883262c99a4e874a2cd3d8d971707a99ed5ad56a26681', 
    'hvnoRfihFmvTyVX492JnDFHGhrVIdTBxqzF6x2IDMeo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)