UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/G6MxRHzGomsYOvpCY48zdejLSaT0A32zNGx4KETv+E=' 
WHERE 
  key_id = '4c6a09fe0a0e08b87cb3a935019a8a35f05c14e1e7eb4fa30fa3db33ee088c67' 
  AND (
    token = '/G6MxRHzGomsYOvpCY48zdejLSaT0A32zNGx4KETv+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )