UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FblzZ7uIjA0kftSiEG75Xwu9XR5K392ZPb4RSnC11ck=' 
WHERE 
  key_id = '1c33af93386f96131b7615726ac573f91ce5f6a4262a6473671c0166535f417a' 
  AND (
    token = 'FblzZ7uIjA0kftSiEG75Xwu9XR5K392ZPb4RSnC11ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )