INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39d321bc0e23496e5580285b97899170c19a9527bb213a0956e9a7f7d67fbef8', 
    '2Q1vYyZrrra39Q8EzjnZZrbx9lmgiuTuUFhTTBoOtL0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)