UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AyMX4tkqoQQrzoR+0diygLiN2p1sFSuw8FZepqAccAw=' 
WHERE 
  key_id = '855d03fdb0f2889a03041cfb01f7ce2ec570deb09d491fc73b23546bc0b29423' 
  AND (
    token = 'AyMX4tkqoQQrzoR+0diygLiN2p1sFSuw8FZepqAccAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )