INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0303d4c3a382b48b81132d3b3f7b76cc48972598998993f542d1413042f272ef', 
    'hfMtSf8vHKr2FMLONNAxwhZTg6HruT8ZzvKj6rKifKo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)