UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q6ht0rDsVCvpWLNLn5tlOnrVV+DiPwD4a1VTi4KIapM=' 
WHERE 
  key_id = 'e029f66ebf3c30ecea55caecbb370946a9e622ead55410747220d126de788241' 
  AND (
    token = 'Q6ht0rDsVCvpWLNLn5tlOnrVV+DiPwD4a1VTi4KIapM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )