UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCh6d5nGiGjfi7Zjshzh1DE7w1xTFAs2gBRULRbayMQ=' 
WHERE 
  key_id = '9c70e14c2f5fc7605c1cfea51b9b043fe62e242f1205d859f2f332507f6cc572' 
  AND (
    token = 'RCh6d5nGiGjfi7Zjshzh1DE7w1xTFAs2gBRULRbayMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )