INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ed48ac34da6b29b8b6a812a5bf0be721b29ba303c527c837e12726a8ae04992', 
    'NLnHttCEFBF8XkxelFgdcytWvC8UmFbVa+0WhFUWXNM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)