UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DXgsNVIiahqsRtd9iOVGbK2fKbmGTEdPjV3q0RRykzE=' 
WHERE 
  key_id = '79dfe5965200a343df32fd4680c2db5ff57f3f9f34e1ebabc6582dc59dbf16b1' 
  AND (
    token = 'DXgsNVIiahqsRtd9iOVGbK2fKbmGTEdPjV3q0RRykzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )