UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E4xiW4QpVLyFxCu1h5SdLnFqgiErpvsYu6n7l2djI+0=' 
WHERE 
  key_id = '850f16feb681024b7a701c7fb6fda017fed62a1e835a9797f0fcc024d1ad0b3b' 
  AND (
    token = 'E4xiW4QpVLyFxCu1h5SdLnFqgiErpvsYu6n7l2djI+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )