INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'da9992926a0cece69b4a670bee4c44982241b1335503a3d46ea88c9a0bec04a6', 
    '849ZYt//gvgt6gzF3OxoTx9CVIrTDQDtSV102da02tc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)