UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5vPDOmLn4Hpbld3tikmL837Ysn3Chwwkx2TQqTiGWjU=' 
WHERE 
  key_id = '1556b0d983e1fb475f11299a893a9b6f9ac540e3f2796abc90c628b8f1756ccb' 
  AND (
    token = '5vPDOmLn4Hpbld3tikmL837Ysn3Chwwkx2TQqTiGWjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )