UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jtm6orA69R4JPGMC8avQklhUovsEaVfcKcYhRrF7pyI=' 
WHERE 
  key_id = '4fca4d46411e99de47e345ca1b610bbab3bb22209fb103983ff12489c906f107' 
  AND (
    token = 'jtm6orA69R4JPGMC8avQklhUovsEaVfcKcYhRrF7pyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )