UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+XnclIxzw6/pI6Izd3SZhs3qHyzQXuUkyE9fweP34CY=' 
WHERE 
  key_id = '27917f0b30344284d951ad33f3819f61b64a66b668b4d6457087e6266b5310e8' 
  AND (
    token = '+XnclIxzw6/pI6Izd3SZhs3qHyzQXuUkyE9fweP34CY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )