UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pq9wiL16j6LAj2yNtNYCY8u+f6Tte+kM+E5TVdGaBEM=' 
WHERE 
  key_id = '520b6e88110db845bd51879fe905485afbf284f1973a5519c77f1b9cf415d994' 
  AND (
    token = 'pq9wiL16j6LAj2yNtNYCY8u+f6Tte+kM+E5TVdGaBEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )