INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '741e01bd1051cfdd9cf086269d89efa975c651ee86c034515778c76245c7d16f', 
    'KC51pxJkBps0yJ7djZU21a1dMS6q7saLyHEWi4nIPsY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)