INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d6812affc829100f050bc64e10ad189d90cba8d91dab820efab955619fc4d5', 
    '+F1rECLMRBaahAcO3lKSZ4+aUZFd6mq5E11v7VMthSE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)