UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A96r7pHRqo8DS2vAfTASUrzVj1rvRIrhRPRhn80ELnU=' 
WHERE 
  key_id = '55529a16027924a9b9461ca5afbd125b9aee081ca16c33b57947dc7603846abb' 
  AND (
    token = 'A96r7pHRqo8DS2vAfTASUrzVj1rvRIrhRPRhn80ELnU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )