UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AF2dd7lNwGFUcxE2wEnPmCclOTk33Pn2djmVcDQs/I0=' 
WHERE 
  key_id = 'a2cdc364d5e86837b5cfbf75d76b4c357b102d78f2d8c10373fb869c62065c5c' 
  AND (
    token = 'AF2dd7lNwGFUcxE2wEnPmCclOTk33Pn2djmVcDQs/I0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )