UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'ZEcxg2s+EPDhO0AQJDPHks+AS46Iu2Pz/+r7WRhaNxk=' 
WHERE 
  key_id = '243e7c37447c97b83ef1ea403f88d85feaf268935cda86a20bb7d21cbeab95e2' 
  AND (
    token = 'ZEcxg2s+EPDhO0AQJDPHks+AS46Iu2Pz/+r7WRhaNxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )