INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503c318ca8e039decf4fd589d2a25d99f0896c432b96e600c799446de121c180', 
    'nUZlpdn8s75GRua9VwTNZIB3Siio9sW7OonsdOgsPiQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)