UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9QpqMcL5gwR7aU8lgKLA25KjTfKUEZwZ5NoM8BGE06o=' 
WHERE 
  key_id = 'a0cbeda7867f7662df5b248c0ae46b7294fd3f03de420ce2ee5438ab326a413b' 
  AND (
    token = '9QpqMcL5gwR7aU8lgKLA25KjTfKUEZwZ5NoM8BGE06o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )