UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pmhRbq2smrPST+vc2NLOcJq8zpoq04WThnYEXzG6KFk=' 
WHERE 
  key_id = '908643e28ddf74b6003b175b49d9241974726097fad5311ab995690e874da001' 
  AND (
    token = 'pmhRbq2smrPST+vc2NLOcJq8zpoq04WThnYEXzG6KFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )