UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/SRL8QIa6fcGEEvjtQ0hIwAiJXd0cqDwUkN9ou/affs=' 
WHERE 
  key_id = '19816dfb27f3b5f53a37d374767475176ebae2c36041897eef657640f1ad285e' 
  AND (
    token = '/SRL8QIa6fcGEEvjtQ0hIwAiJXd0cqDwUkN9ou/affs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )