UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UpuJvUFLzqoZIMffkMNE/mJgCPjJ604h4RxOD0KAT4A=' 
WHERE 
  key_id = '3ffbca4bec5cf80d287add506d888d5a4fda4e5f5f250180e69f3941960465bf' 
  AND (
    token = 'UpuJvUFLzqoZIMffkMNE/mJgCPjJ604h4RxOD0KAT4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )