UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLT2XkYpm9exhSdw7tdZzyyAoHMnPXeXU3dc3XfhUbw=' 
WHERE 
  key_id = '39eed5ea0cb9b6df64383b25cbbef06c4b95adb012f4db795af6a26026b3eaae' 
  AND (
    token = 'SLT2XkYpm9exhSdw7tdZzyyAoHMnPXeXU3dc3XfhUbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )