INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b529b555728b2446ff83c5fc1681555fe34f23a101932550cc92d67de45a20d5', 
    'Kp457jU9n+rm2ISsagbH13yqmzsgxug6uGtjhsu4FwQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)