INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '688d618840d4ad60a194d1050930f64223329d66f15139b6476cc8a71b4af957', 
    'sZRj6l1hjJ+OQjQeUN+XfWa9QMx0FV9zq3paXBzoUmw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)