INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b4c718bc01d5081e5d97d08922a0fd6303e39688894e12217006698f935c77', 
    'hva/xhbAxWGUMoGcSNaFM5foYq80dNo3fcfHq31jJM8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)