UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6omuHRjBWpyqwe3bHA9jhgLGxzbjCbgaWtPPMhluRw0=' 
WHERE 
  key_id = '97f94b59a6580a7daf88e99cbf30f26cb08936cedd62a0679d113dd6f679b379' 
  AND (
    token = '6omuHRjBWpyqwe3bHA9jhgLGxzbjCbgaWtPPMhluRw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )