INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '815abb21cc2eda2a5b558909baf7b6cc5d405e5f0257e869a630a120da5630c5', 
    'DnoXLtLnMc9IROHLcwJGjB2rkK6SxLG/wp52IOThXhk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)