UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PlMMPQ9603ahjP4zuKVEyXCaKwdL74jhuS/6+jFpMIo=' 
WHERE 
  key_id = '73071d8280a91b399cedea69320c94773693350f0e581d39c63a876c573cdaf4' 
  AND (
    token = 'PlMMPQ9603ahjP4zuKVEyXCaKwdL74jhuS/6+jFpMIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )