UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mnWpkbRLQpZyq/kZT3h07ui6dnBUxAyBd+2QaexnWrM=' 
WHERE 
  key_id = '50068c7f9aca7edafc441414ab64e5e80762060fd7e469a1a56a48b7c2b474e4' 
  AND (
    token = 'mnWpkbRLQpZyq/kZT3h07ui6dnBUxAyBd+2QaexnWrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )