UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u31cTq20pjILObjrLPqfbQpB9DRlTLHtNZ14hJDV3Zw=' 
WHERE 
  key_id = 'd0e83915e64fd0edc7ecb55b6169097344097d7029bf0511274bd9f6e14d9ee0' 
  AND (
    token = 'u31cTq20pjILObjrLPqfbQpB9DRlTLHtNZ14hJDV3Zw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )