UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '93kK3a6OUQYP79e08ReiXcSpf2YxaP0VNFSRnSBFPPo=' 
WHERE 
  key_id = '7315a89049a478703fb5033ce77502bafffa3adba76ea9206abe97bae32e97db' 
  AND (
    token = '93kK3a6OUQYP79e08ReiXcSpf2YxaP0VNFSRnSBFPPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )