UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kkvz+B8j8oPKsX4Vo5jXntKJoGIMAaE78BuXtJE90ZA=' 
WHERE 
  key_id = '850a99a64d35b1dff3a82ddf0d7708e7891074711371453649d0150a476b55a2' 
  AND (
    token = 'kkvz+B8j8oPKsX4Vo5jXntKJoGIMAaE78BuXtJE90ZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )