UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MbL1pUGEWlt2paMlFhH7q3TDeXDsbDjbaNclmlIYHl0=' 
WHERE 
  key_id = '8439428a1109d236e06fffd9b092a5caec19869fef6fe3ba4c1badcf889e8de6' 
  AND (
    token = 'MbL1pUGEWlt2paMlFhH7q3TDeXDsbDjbaNclmlIYHl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )