UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JtwB0Y9kpOc7don9V6bTiOPR9U5N2oSfzAqEAGiNR4Q=' 
WHERE 
  key_id = 'a7da3081c67e4420f5860dc8ff6d7d59d1a33a26b3d904520ad524b311783cd8' 
  AND (
    token = 'JtwB0Y9kpOc7don9V6bTiOPR9U5N2oSfzAqEAGiNR4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )