UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zhy3sHByZ9phQc1LnYaVlejtQv19C2j72suxZzNVdRE=' 
WHERE 
  key_id = '8f8743c9a0ab375e80a77b90f7ffc7819d35a86b4228fa6051b1af0ff222c56d' 
  AND (
    token = 'Zhy3sHByZ9phQc1LnYaVlejtQv19C2j72suxZzNVdRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )