UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mBTM2rtiq9BhRkiNsrg3KHnfHUeb323ytTzQKgn1a+c=' 
WHERE 
  key_id = '3493f7434802baf886354841070ac1ec2185e5c636be14816f8850e7160dbffa' 
  AND (
    token = 'mBTM2rtiq9BhRkiNsrg3KHnfHUeb323ytTzQKgn1a+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )