INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6439b1419b59a5536ce4fd18bc030be5943a871bece49a8f2e206a1546ea3333', 
    'BvE4atnCvyJVovVI9vZ1i15EwzrYOCQ6SN8DT1dNcTM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)