INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8e4728b5a34925f1662175840f1979629b18df10deded422d9935ed5314503e9', 
    'EnftOZxGWvfrvBnSXbvn+//iWP6pA45KyZl5pPQyOSc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)