UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q6HfPnDZsqXa/dKHv8o+5KkYol1aCqkUCF69iRsMBeo=' 
WHERE 
  key_id = '840a42630b7109d2270e3e3b557a6b4ab23b5844753f647190839e0d08d929ed' 
  AND (
    token = 'Q6HfPnDZsqXa/dKHv8o+5KkYol1aCqkUCF69iRsMBeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )