UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Ns1uojbQvi1bvjZVVOIxFXO79CYsPCC7l/rre0Wtnk=' 
WHERE 
  key_id = '303b2bbe6b1c501cb989b20d09cf42315a2ee445fc89fc74bc3785d7bc3e04dc' 
  AND (
    token = '+Ns1uojbQvi1bvjZVVOIxFXO79CYsPCC7l/rre0Wtnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )