UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tlERmyhjGTIlgohzhp0BcQqYS6iMqwCKb2s9lOYfla0=' 
WHERE 
  key_id = 'a285e851be063414bfac6fd24eb17a169ad85fc370af6ac97fd8a9282b1ec873' 
  AND (
    token = 'tlERmyhjGTIlgohzhp0BcQqYS6iMqwCKb2s9lOYfla0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )