INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4703528807b4f7b96aa4af7f48d6fcc4d02530dbeb96dd3bad695b714af55d9a', 
    'v9bt36eET7lqqyVfybJSNN2sbXbWvfvTSfnIWTz5GKs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)