INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2351a4e0c28e00ef5ffbc53d2d0d12258bcb0764c3bc3234fa4ff45d3732038c', 
    'yFmMxnUI2ZS5v8vQ8ngufqk9KxE4movVadBpW1HlL2g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)