INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3947593af493a6ce022526fafe8e1a5469cb5694394a9bdd915be5091141d295', 
    '2FD1Z8QS/qBT4OquvsLKeHTyBcc/6Sn8jUGfWpXBedw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)