INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5310d18cc91b788f2bcaf7f98b510d828364f3075ef57fb4ad32a053722c9b2e', 
    '3YGhAqwijSKZyYV4vlLpDUiYVWTUcZkd74g3V01Alqs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)