UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd1f0EUn0PqfqZgjAVTOUjQ4dpEyhMB0etqfTBMK8YO0=' 
WHERE 
  key_id = '21052702c13ba9a63f46cc2a8fb6503379fb6ff6c161d15211d8b471d46af262' 
  AND (
    token = 'd1f0EUn0PqfqZgjAVTOUjQ4dpEyhMB0etqfTBMK8YO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )