UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RHfKSc7pCqK5fZ0hA7jeU1faWSFFzFHmKTJidCXTY+U=' 
WHERE 
  key_id = '49816e2e9601a3c9b0d14cd6b654604fb7f77c65753ed27e60026dcf055434a5' 
  AND (
    token = 'RHfKSc7pCqK5fZ0hA7jeU1faWSFFzFHmKTJidCXTY+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )