INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50ea3c9221184acff1754a1c5150c6d670520fedfb81debaeda8f4850815e383', 
    'EhSC4eggMyPCbFq9emifqmPNdrGfPNd+c6pbX+0c1/s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)