INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7dc8f48e21a311ee0900b4d059352303c73243a15f76fe6204f672ddc39f013c', 
    'OMwxlLlpXlfXDJfF5Bkb7d8aC2HtH3+ixNq7XoA+Jfc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)