INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b420298930cb966bdf4af9aa48af83cce935bc897eb68be2e679710523f82b1', 
    'yPQVz90UTvJmvFY4U3wQuA5TWQJT+VoW7+HUgwTMElo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)