UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yUG38vSLmAnSx1wZrq0YOxS1Cl1D/BFC7C2nR6Ry+7M=' 
WHERE 
  key_id = 'c2972da06e0406edb2f77f5c2ef96b0111efe266a2e5d58738d163663a275a03' 
  AND (
    token = 'yUG38vSLmAnSx1wZrq0YOxS1Cl1D/BFC7C2nR6Ry+7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )