UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51O6NHaRh/SvGWWArIT7DYuL0ofr4ZRWqwykHaYry4E=' 
WHERE 
  key_id = '3e838d09c75e6904120ce3f3ecebd82b71bbecfd0f370c90dbb50ad924a13230' 
  AND (
    token = '51O6NHaRh/SvGWWArIT7DYuL0ofr4ZRWqwykHaYry4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )