UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zn+a2jq8jePbWS2IkIz6C2Dmvf/e4ItWlGHsDeCsiZs=' 
WHERE 
  key_id = '8ad7fe97e13782b71690cd196866b0d4b4d66e5fc686d7477f06f456cc792365' 
  AND (
    token = 'zn+a2jq8jePbWS2IkIz6C2Dmvf/e4ItWlGHsDeCsiZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )