INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a991d82a1a6878d753997f45b0e3ad9a95db6c0708280508e990aed99d34be2f', 
    'Q3xkY5MkZkz94pyqqWp0a5wJIcS6S4Y4Z0GA4RO4WLo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)