UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRcQrn5SD9mAd5V/YYP9j+efmds0X6FtEhASXWZEDpI=' 
WHERE 
  key_id = '50aae26a1c64e8538598adc5f89421a4c20a1c5581cde01c5853bcc8e047414f' 
  AND (
    token = 'KRcQrn5SD9mAd5V/YYP9j+efmds0X6FtEhASXWZEDpI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )