UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eZsWHWHxliXVsLp5+0KEavZYLxDkbeVLqkjP932EGiw=' 
WHERE 
  key_id = '756f3767c43d0f66e13c1426b27cbac3f9a50e933cd46139e183ff5a98491894' 
  AND (
    token = 'eZsWHWHxliXVsLp5+0KEavZYLxDkbeVLqkjP932EGiw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )