UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QeNC6GABeZog6j/+3Y7pbCxNWWuHzL5jWyXomuT9I80=' 
WHERE 
  key_id = '55a76a2085ebf3e73e0d072e8c6067751eaff900cd9cb520afa67934a050472f' 
  AND (
    token = 'QeNC6GABeZog6j/+3Y7pbCxNWWuHzL5jWyXomuT9I80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )