INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd389149a002ac0ea2d985fbd20def12d53be7703fd768bd654efb7c2d7f4971d', 
    'L20xBvsqTGh+Zfe41mejgDPcTSAGjOr//VWrDQeqr8Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)