UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c6+FaSxPg2dr85mwtrNw2tlpZTf4bthCr0R7erGw0yc=' 
WHERE 
  key_id = 'a5f175b7e432f90ba4178f3ec978dbcd634ff8e481580a47e0e425eaba5df6ae' 
  AND (
    token = 'c6+FaSxPg2dr85mwtrNw2tlpZTf4bthCr0R7erGw0yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )