INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '508e590a678fbcfb55f8804c7e12c450db777042b4166a1fb07df833cac8cda9', 
    'mhtSzrDycn1+SAelQH+7j0n7vIgdsSaiXgFeH8S04BQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)