UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K2EjwMLhcMHqwJWy1St6tKmhDWiOK2dNlR5R+3DrYsU=' 
WHERE 
  key_id = 'c908bd6001f6611441bfe3fcc78f2def3c4ca18084f2097b77e4e4f609c229b8' 
  AND (
    token = 'K2EjwMLhcMHqwJWy1St6tKmhDWiOK2dNlR5R+3DrYsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )