UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L2gpVjHDDFaqTEAx4/NLZah8SFV/0gUaTl7n39tSEnM=' 
WHERE 
  key_id = 'a8acaf7f602bb23fa23852755836aa8f1eb28083ef684c700a1b44ba6734887b' 
  AND (
    token = 'L2gpVjHDDFaqTEAx4/NLZah8SFV/0gUaTl7n39tSEnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )