INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51599559415c9c83e7775c1c6d674d31e92698d1344c5affdd1861efe63d8ca3', 
    'B5dt0ylYBAWcUmKveZa2/3XnkF9w05oxIdUFuay487A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)