INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '481ca0a5912a98da1009f56e3dea3c0f55988fa86ece1418473e6719a3834d70', 
    'Mz8YTID357auGdHnoA2aoW2dRFSLlBZijzRqlaiE1WQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)