UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kK6iphyENrKotYm6tRbWqJBu/foW1GWgjgiKsxkgKKc=' 
WHERE 
  key_id = '5a1bbb698c598ffc3f457e60493d6636ad7f5825a6e17b7e2211e2b82762019e' 
  AND (
    token = 'kK6iphyENrKotYm6tRbWqJBu/foW1GWgjgiKsxkgKKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )