UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W1ZQaSVWgOLnWgNOWZ4aVkKtk5NrA73VoNkUqT5dEgg=' 
WHERE 
  key_id = '52641a2fe6d0529f3a9691b3b821efa80a8d04acdddd213acada54b74c973e36' 
  AND (
    token = 'W1ZQaSVWgOLnWgNOWZ4aVkKtk5NrA73VoNkUqT5dEgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )