INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e468561b75243856625978b77b008b638a76b31fe975fbc626078e55f0b9b90', 
    'uoxGJfQdLHOUr4CDAeaVqhbncWZJGVf7fHViJxvUzVQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)