UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TqaMUcq42SV2rlWlJ0OakoFFNd0cYdpZrEXpkSgwJm4=' 
WHERE 
  key_id = '8281bee7156ecaf6db6ec6ef1402c446606fdb60c5ff08626c13a8f95e16693b' 
  AND (
    token = 'TqaMUcq42SV2rlWlJ0OakoFFNd0cYdpZrEXpkSgwJm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )