INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '621b81292e83a7b1a9ae8fda5f834a118905835a21af321e03b64315905e6aee', 
    'bINXyzsoAHBxnxm+Ev+IUeXHnwccjofhNdHoweLfYsE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)