UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ltXiiHkrAbTtIqpVIIbeMiVlZkTzSKTjWF5WVe1GLPY=' 
WHERE 
  key_id = '3e4203362d8323610436029f0a36d0ff57253e958599371cfceecaa193480034' 
  AND (
    token = 'ltXiiHkrAbTtIqpVIIbeMiVlZkTzSKTjWF5WVe1GLPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )