UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C38Gf2mPJFV7xdzHNrsRZxFNc0Xf+J2YiWD77xIk2NU=' 
WHERE 
  key_id = '6973ced82d04918aad18f1d14d73d70021e4e9e7d9679147621946fdb7daae33' 
  AND (
    token = 'C38Gf2mPJFV7xdzHNrsRZxFNc0Xf+J2YiWD77xIk2NU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )