UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dvULV2WVoOZrDdqNI4j3vavazvumkZEw3YCiNzOUVF4=' 
WHERE 
  key_id = '26ac9ec28e21ee30664d183ac3fb5c2ebd7fc071ab848bf5f77f1770c0d5a9a0' 
  AND (
    token = 'dvULV2WVoOZrDdqNI4j3vavazvumkZEw3YCiNzOUVF4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )