UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gMQJR524G429FZYL5IwF18MwreUj8QxE5U/ef264tbo=' 
WHERE 
  key_id = 'e3914f54dae465a118e68552a1469760cf0ed407a0f80e778f946a0ecc050100' 
  AND (
    token = 'gMQJR524G429FZYL5IwF18MwreUj8QxE5U/ef264tbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )