INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8af508c57c684930743fe6656a497ebf9d47afdc2aea37b61be90752c9a979ce', 
    'PM1tAOdJu09ISHUGQSBHbKZc8JHQwszvii//NejxqOA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)