UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mn6751sXAUFPAaue89GJaLalpu+EVmefDzMlGsIjSgE=' 
WHERE 
  key_id = 'eb7a90602ae969745f71452a54ae825ebb7f40918d7ca7a74956d493d663b683' 
  AND (
    token = 'Mn6751sXAUFPAaue89GJaLalpu+EVmefDzMlGsIjSgE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )