UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+KN7qwF0VGZ1HTm5eSvfcVxxGSmWNSXWLkEY/fOontU=' 
WHERE 
  key_id = '33847cfcf52b4a66b3b8831bc61f4d9f476a7cc53c0d4b344f70913d1ac4394e' 
  AND (
    token = '+KN7qwF0VGZ1HTm5eSvfcVxxGSmWNSXWLkEY/fOontU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )