UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PO844UPkCAyJ8oEj9XCXGTxt2t68ZZcg0rjfErw5Oso=' 
WHERE 
  key_id = '47b85cce06f1a6fc84d15a83192fe8def59198f45d9f6ac86986c02edd5652c1' 
  AND (
    token = 'PO844UPkCAyJ8oEj9XCXGTxt2t68ZZcg0rjfErw5Oso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )