UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x5yiFtaBA3Plbp7sQNeArTJy+uRXMNCi0fjAef/VbfQ=' 
WHERE 
  key_id = '83a2befaeee47d54b3005aeddd293cb4f6ab8c595fd35776064d6f35883fa0d4' 
  AND (
    token = 'x5yiFtaBA3Plbp7sQNeArTJy+uRXMNCi0fjAef/VbfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )