UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mla8HK6Tz0DX7WENZq1KgTDCzy9Tbl6zvj8zFy97eno=' 
WHERE 
  key_id = '48550cc4c418bca1c9ac8182f5731921b6675bf295a5d6338d661873d803bb9c' 
  AND (
    token = 'mla8HK6Tz0DX7WENZq1KgTDCzy9Tbl6zvj8zFy97eno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )