UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RrE5a5zoQ/ywcHGdBE6aTJmQX6Rs6b+MeSpYKRztnRw=' 
WHERE 
  key_id = '8fcff1596247d9202f738cbdb19d5402b2941f18e868e6a2e081e9604baf7826' 
  AND (
    token = 'RrE5a5zoQ/ywcHGdBE6aTJmQX6Rs6b+MeSpYKRztnRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )