UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6OTCy+27c3XD9hDv2Wun94HfBQWWeTjV9pfgBpET74=' 
WHERE 
  key_id = 'b40e8414979f979017a8c3e3bef8a947a681494fe2422e720ba0d3e7dfd7faf4' 
  AND (
    token = 'i6OTCy+27c3XD9hDv2Wun94HfBQWWeTjV9pfgBpET74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )