INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81fe519be8ef818cfeee6e515265c167078f0894a5b62b4c75a6697698d125fd', 
    'jlkKuc3TlJR9YRfdfl0IaNevYum94iuhm0YMYc6JW6c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)