UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uZV1eToAMfZMUSg6ff7UpPQ79SRqfId/LiB1JFeMFNQ=' 
WHERE 
  key_id = '6ac254e902d6db43e9a3289068a5ff066bd5f63b2e2990a169d112d8fd012715' 
  AND (
    token = 'uZV1eToAMfZMUSg6ff7UpPQ79SRqfId/LiB1JFeMFNQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )