UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nNkRmF2BJub5HwuDY8xtODAu0cnLlWAwRq/rTW4HEMo=' 
WHERE 
  key_id = '56fb764642933a968d0a774a3ba1bdc492b156df36a66a32a936aaac835f0a98' 
  AND (
    token = 'nNkRmF2BJub5HwuDY8xtODAu0cnLlWAwRq/rTW4HEMo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )