UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pWjw0rRLpdYeZlD7hZ+fb3mlxKtZeiuBdmmPtM5x8eE=' 
WHERE 
  key_id = '2a47d72f96184ac44c81df6da9e535920173afa842d475ceef220e25572568ab' 
  AND (
    token = 'pWjw0rRLpdYeZlD7hZ+fb3mlxKtZeiuBdmmPtM5x8eE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )