INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c6a243217148d1cf32fb9117cb504f06345ea8a8f724cdd198d5eb6ee436611', 
    '6E334T9tQblQgOtRWGHx5XpvB1v9AZ4YUup9BacoXKo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)