UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MT3Mo0GhYAkTidFTsEPgljg7rN0ki9SBr/7UX+EIUuw=' 
WHERE 
  key_id = 'c319ebbbe65ac83cf143da54e8216219d9131c037df2dcea2a694df520ceb2b6' 
  AND (
    token = 'MT3Mo0GhYAkTidFTsEPgljg7rN0ki9SBr/7UX+EIUuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )