UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uMHIn1ev7ASdrwEi5QwzHXtyY8gHV0FUk8du4mk+e+I=' 
WHERE 
  key_id = 'c50079ab5b9ada2acf01919e191f22c1a6b960659c62de0ad2fb9a311b291ca6' 
  AND (
    token = 'uMHIn1ev7ASdrwEi5QwzHXtyY8gHV0FUk8du4mk+e+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )