UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x77+5vUHJlxqfwPphfff3mzL75M+9DLy0XFRDui2xfU=' 
WHERE 
  key_id = '6933ee7f0a9c68e62fa4ee4f484854f740b3998185dec25723969c04d7c6904c' 
  AND (
    token = 'x77+5vUHJlxqfwPphfff3mzL75M+9DLy0XFRDui2xfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )