UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KkyUbjSfsrpsqH682KqLrC9ZRo6fI3UDh45tzOP37pQ=' 
WHERE 
  key_id = '27c3fa6d59aa50ad4d9475f41b283500d76de21d488baf583631cabe6ae09a66' 
  AND (
    token = 'KkyUbjSfsrpsqH682KqLrC9ZRo6fI3UDh45tzOP37pQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )