UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6/P2QswZMQ0plXerngq39Z2wcn+38tybWhM8QO5y/NE=' 
WHERE 
  key_id = '6ea7bf91f178e324c2de9dee70f9871ba6da020893ff0a97d8f1189e93bf7884' 
  AND (
    token = '6/P2QswZMQ0plXerngq39Z2wcn+38tybWhM8QO5y/NE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )