UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6qsNhvOVkM7sQihuBInteXDvTa2Qn1J+y9Byeprl9k=' 
WHERE 
  key_id = '5e7bf5ee68a29ccad039351e4f588bf48a1b770feaebfd64139133184610d32b' 
  AND (
    token = 'w6qsNhvOVkM7sQihuBInteXDvTa2Qn1J+y9Byeprl9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )