UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kfBTOZtoIer+EBtz84CFnn4+MO40sWbcl0pk6jEUKUg=' 
WHERE 
  key_id = '79c0a311dfd9c7a69dc768db2922634ca31953940ea9028786386ff62230e735' 
  AND (
    token = 'kfBTOZtoIer+EBtz84CFnn4+MO40sWbcl0pk6jEUKUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )