INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e03243fda0f0a88379fcd53a26147ab6ab338f2a03730b1165ecd2d2c47a3d9', 
    'PvRRlZZvUVFXLskvU3GRT5ujXbjVItz5RzJIOb+iEDc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)