INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '87c9868cf0055a7fc6ce445d8f3dc09ab51bd56c9328d02f24058c009dc9eff5', 
    'RexArOuUQtB9IxrvutALNSgqIpPl3J6KxGsM6AxFEnE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)