INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76c75287108af993b5b42d37007e9263e01cc25e1538e5e5d377d0b0071b7011', 
    '1DJrDRN91P9iKm9fJaapPzHe9pyoqo1Z5fqZoT6utik=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)