UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'czmzRqqR0gT8fIcVxQQ6B5AYEDD9yXBvw3fbjbqczwk=' 
WHERE 
  key_id = '81f3b21e2df9728a8503afac502678f47c1affdf9a8a2b9bb29d2a4d08165f95' 
  AND (
    token = 'czmzRqqR0gT8fIcVxQQ6B5AYEDD9yXBvw3fbjbqczwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )