UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMK/M8m4iLIQcNbYnUXAB53jO/5Om1Fa8aMWZy40gu8=' 
WHERE 
  key_id = '3414eedfb7919086fce81577c0f6be23725509a8c49e182ee30be52ece93a4f4' 
  AND (
    token = 'MMK/M8m4iLIQcNbYnUXAB53jO/5Om1Fa8aMWZy40gu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )