UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BbH9Ev3qEKpTbFqr2ndx7U7kE4K0k7lCv2sRpGkDBQI=' 
WHERE 
  key_id = '8a8e51b26343660b55cf2846e43a560cceb344be2184fd5b5411b98054c52441' 
  AND (
    token = 'BbH9Ev3qEKpTbFqr2ndx7U7kE4K0k7lCv2sRpGkDBQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )