INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6bb52987aee55711ac65f61a545dcbe0d61d0411b1a52be04a60a68d181262d', 
    'B5kQVcPiPn9OhT0I5FadUwjM6SWkPPAF0CwCae2Rp7A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)