UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'px7ithFxIzpYVg4xQVH4cu4Ndvvwvp3SnIZpcHRYGFg=' 
WHERE 
  key_id = '845cb8262c32ab5205ad6b42869e28bf0dcfbc145d00c268922d84a37ac1c191' 
  AND (
    token = 'px7ithFxIzpYVg4xQVH4cu4Ndvvwvp3SnIZpcHRYGFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )