INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6615f8b6ee30f976de63b1c3aad39425d0f1f3c3d41d537894b6967f4f2da4c9', 
    'Vlr8HeRhXl6M5MahokWnU2hs5JhKJIvDELpAQSprRVE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)