UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkXMbUAOgEKjFEpzmlXjwvvyN3CF5CN5UIdrPrBGPb4=' 
WHERE 
  key_id = '9c7388cdc489b770e324a658fed85627a72a58951e788fec7691e0353051e4c4' 
  AND (
    token = 'nkXMbUAOgEKjFEpzmlXjwvvyN3CF5CN5UIdrPrBGPb4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )