UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2gDOsaGTh5Sv3LpixkYYRcte9qqBUWT/E4W34fSUnI4=' 
WHERE 
  key_id = '3199d7c2d50299e0016445eee7e850fbb7f28b44e9becc75f5ecc0195b645a49' 
  AND (
    token = '2gDOsaGTh5Sv3LpixkYYRcte9qqBUWT/E4W34fSUnI4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )