INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '388dba9ce35ddc3664bf6af5c0ac6e27f801f87ae0e3ff4851ac4f6652c3622d', 
    '9VXs5qmckLb68te8D9UxslIXx3cwr3Xwj8SoVh8P51o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)