UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K4btYW3Iyatc32VhmAMjIdyDSgmEUPFSUQuf3VDMQmk=' 
WHERE 
  key_id = '83959eecd2c46a6dbbf91af87cebf78e43ca5ecbc37a14e814810ee4498ef874' 
  AND (
    token = 'K4btYW3Iyatc32VhmAMjIdyDSgmEUPFSUQuf3VDMQmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )