UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6krk4C412YFJXg3DEFXXk9vXTZdtKYWsMicfMv7/+Rs=' 
WHERE 
  key_id = '3a68e1ef826064096c7a71320abb0d9bd995d9cb2dd939847afc92603f38efad' 
  AND (
    token = '6krk4C412YFJXg3DEFXXk9vXTZdtKYWsMicfMv7/+Rs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )