UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jHPz98B3JCXnBSXYyb04zZhiZg4kvmB+sZMce57EYFc=' 
WHERE 
  key_id = '4e40735fa300f13cd8ecfdcec92aa726bba2ca98536318242308815eb38b890b' 
  AND (
    token = 'jHPz98B3JCXnBSXYyb04zZhiZg4kvmB+sZMce57EYFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )