INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '451d721da00e8fe5d515dc113d83eecc372591a1eed4e027a459ce309c0fa599', 
    '5zbYDfEuGPD3vREELqC+ethh4AdiD5mvaRzHXxv/+sg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)