INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f3361089546e94524b6615a2b126bb136c0578c0f03041a4b12c15360cbc2e', 
    'z8j1FcUDz+8toHazP+nAqjAQo2eNbKQ9++pG/jZ+ObE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)