INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3946a619c82eebef28571416e923b70976d76607b856468cbbdee182035bc65b', 
    'xwXfuOPkxG5WQ/EnLwFPxrbNGnFxKBFQUbOucESViZU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)