UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPB5xgty4G9hCmfHER+MXUMA5ISBTzwu33PCfwofnFU=' 
WHERE 
  key_id = '28e0755d4e1b1fc13939048f3397de97acc99d06862ffd460ed2492385f79c05' 
  AND (
    token = 'MPB5xgty4G9hCmfHER+MXUMA5ISBTzwu33PCfwofnFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )