INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b4cd8a3841e70cbebeda0bb475c1fd7e5159f322a9587055b101dec89d21dd2', 
    'CLh43ujCNNzkvVb7C0Jm7bNwgHK0wC4314iUl1LZDVA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)