UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Plz0szBdk0iOko6POWqWJSt/51vgsXgXdzlMvotq/So=' 
WHERE 
  key_id = '52989e1464904324927c54126c85716991de3e7c9713430f912674355ee02fd6' 
  AND (
    token = 'Plz0szBdk0iOko6POWqWJSt/51vgsXgXdzlMvotq/So=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )