UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E426Q5Kmmba/jr9T4T7vjOcDLnK8CXLNFFbSBdCEAx8=' 
WHERE 
  key_id = '876b09d9c00bc40d5d5c8c10cf3e0b6865ff9aed57ddcb58f0caf722c4cbc6bf' 
  AND (
    token = 'E426Q5Kmmba/jr9T4T7vjOcDLnK8CXLNFFbSBdCEAx8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )