UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'afm4PfQJ08SaH3y08YRQGfCk4aB0CQbNRHSxMr0lePs=' 
WHERE 
  key_id = '90917794c2e2a5b402e5d0fd1601498d62b2a6c26330ac73521d6597d6fdb6d5' 
  AND (
    token = 'afm4PfQJ08SaH3y08YRQGfCk4aB0CQbNRHSxMr0lePs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )