INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6c1c29ec9526f57200c4792315a481e0de1aff3659e87490469eca77109420e', 
    'eK5bT5lTiFpYTbmKGvCyrjJCASYdJisHCzFWn//hqTs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)