UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZmfNP/f8ycS53SBJ6GXOemu04YdurX03gXYXcX2/ecU=' 
WHERE 
  key_id = '8dafada46be99f967f8e52c292c9c87e5bc123d923fa779262a39f0635e8643c' 
  AND (
    token = 'ZmfNP/f8ycS53SBJ6GXOemu04YdurX03gXYXcX2/ecU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )