UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xu3FLmBcHjdepcO9sQHwPDV1OIMYEAmDwjlrb7GOE3M=' 
WHERE 
  key_id = 'c5ed069423ae808f500cbcf268b4d8fa3ac815ab1280cd225012a8736267ced1' 
  AND (
    token = 'xu3FLmBcHjdepcO9sQHwPDV1OIMYEAmDwjlrb7GOE3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )