INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '55388b6ea57058391b7324005d84996447f9ca87a13d33ff50e8e1c87264322d', 
    'ItHiYImnxVkB8BGCAFf9KD3484L8hoUhrQ0nE0Y82KI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)