UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nDfrxv9iUECc3RVT7hKOtjUvgXsV17ApOAakeeFwd7U=' 
WHERE 
  key_id = '77a8f4fe021aa0a837a5b0f6ba48c9ff8205bacc6afdcd5889731189d1973064' 
  AND (
    token = 'nDfrxv9iUECc3RVT7hKOtjUvgXsV17ApOAakeeFwd7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )