UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DTbEmI+lmekkqtcBpdFBvjpxr2KqVZTGY5Us+9XP78o=' 
WHERE 
  key_id = '6e2304e940f489d6ec8f420211784b970bd08946c971147a6a18e02b7cb09aea' 
  AND (
    token = 'DTbEmI+lmekkqtcBpdFBvjpxr2KqVZTGY5Us+9XP78o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )