INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b50e8e3c7aeb5a5cafb80214d1f9991bc703ff445a580d6f1fdde795d8444da', 
    's8jndXRhC0qhkj3HYJG25UAyu2mhBTJOXH8PMDVl9Oc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)