UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't74vFXm9/T1rug9Nv4WrLPkhNBMyEVjRphI0bFQMYOs=' 
WHERE 
  key_id = 'cce0ec0d30450e6a67afb4b37199781be77c096268c3689a47975a1d11f10733' 
  AND (
    token = 't74vFXm9/T1rug9Nv4WrLPkhNBMyEVjRphI0bFQMYOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )