UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nEB7O8WnNaEXx70m/F2H7TbraFmdGjB9568zaejkXTA=' 
WHERE 
  key_id = '380682bcefb3b60c71029201980efe748eaabd7aa4b7e5297d2912a6803c82a7' 
  AND (
    token = 'nEB7O8WnNaEXx70m/F2H7TbraFmdGjB9568zaejkXTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )