UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HjtA1MVCsK9PHCocGd6TbWwoNX9ea4muCs9bLN4kSIU=' 
WHERE 
  key_id = 'ddaac91f8d6566df9aff8135fe2f29b0185d4b0d7f9202f7bef1d659afd73e36' 
  AND (
    token = 'HjtA1MVCsK9PHCocGd6TbWwoNX9ea4muCs9bLN4kSIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )