UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/4CbvYDy6J9RFwdR1shecIG1KnUrNlfDCGdNUEd/DNY=' 
WHERE 
  key_id = '502acd75da6292bb0c5af57911ccf4ec9dbcdda91a044d93151dd27fc19b49e0' 
  AND (
    token = '/4CbvYDy6J9RFwdR1shecIG1KnUrNlfDCGdNUEd/DNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )