UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5zUXw2Kx5KUjFTVU/qdby6UYHyR2rdvzne/66FDz/kI=' 
WHERE 
  key_id = 'a51f4f20be56a053bb41aae5faa74fbe0f48d39a95cd0b776ba1bbfe302dc110' 
  AND (
    token = '5zUXw2Kx5KUjFTVU/qdby6UYHyR2rdvzne/66FDz/kI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )