INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e413255bedbee5836248f686300715acf9a333e8e6a5f1c397c727a38715c3', 
    'IjUFe2AJ15tkSkG0cj97+iJTXBTf3c1BTRPdYKtTsZE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)