INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '476e2e532e99e747e517ff4fc15fd0e3a3185958805a92f8f0a6c90153d1a272', 
    'xo/akXDMQaTI/pVhp9vpzFWGIu9Ahkxwg7P01C6Apac=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)