UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uK8KJXMUzOtmz8pCYzjtPtH+8LSIdbkvyoaksXp51dA=' 
WHERE 
  key_id = '5230f6afc419d6a8c6d94ef535fc58385305159212c3792e2f647d468001306b' 
  AND (
    token = 'uK8KJXMUzOtmz8pCYzjtPtH+8LSIdbkvyoaksXp51dA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )