INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d1a3942ac73fc65bb44a995cbf719b0b951d4a8a03b341141205c52ecde70e', 
    't2riv2mJah1X9w+R9m9x5tlRQUx6832ktNrQR082dEU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)