UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Ep5WlN2Ouh+xuplS8NPzX7oUdpis9vinJstyw0H5yY=' 
WHERE 
  key_id = 'b8ce60b1cc2327564b15297610ec5a7905469e5cb4576670fe080c9753bd998b' 
  AND (
    token = '6Ep5WlN2Ouh+xuplS8NPzX7oUdpis9vinJstyw0H5yY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )