INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '56d65d4e2d3fbc71bb315813b4494aee863287c8f2ff7cb469fe7559be3daaec', 
    'Kx9eQUhudAi9DTHel0BlOKvoYL35x9DWIoP6px1etdY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)