UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F6wYUsemiRu46WK5HKfOzXUXCczDYDS2tOF1PRzsz/A=' 
WHERE 
  key_id = 'a50b4f596775735c8a18954e8988c93c9a1f8ba349401cf66f54e77a571386a1' 
  AND (
    token = 'F6wYUsemiRu46WK5HKfOzXUXCczDYDS2tOF1PRzsz/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )