INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6a5251bf02416f30a9aaf158d2de3c69f763602c8f013da2aaee13b1820f8adb', 
    'ywxbvVQRgwbVznWeLDpyScoTW5xbcRBzeMBU1yld4zI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)