UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '03NmrU451vILEjHZquj4gct4H2NkMocR+FRc72bZDOI=' 
WHERE 
  key_id = 'bf75cfca07ffe7195035266ea2242a98ca8d6670f6db882941023429dc269634' 
  AND (
    token = '03NmrU451vILEjHZquj4gct4H2NkMocR+FRc72bZDOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )