INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15e240702965e4f6a84407185baa6f77852f9ace2817b683d412be4e965cda08', 
    'tx3xvdZpyobat71+M9vEs8mxtsrQ2D0kdGU7DWehvY0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00017

Result

int(1)