UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vz+lzqeaa58AMjIIfP8okb/xmexkEijdDyHEIcqTM4Y=' 
WHERE 
  key_id = '93bf34d6533f233102ffa737d7bd29065aaa110946208a1e77b19f33a1936605' 
  AND (
    token = 'vz+lzqeaa58AMjIIfP8okb/xmexkEijdDyHEIcqTM4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )