UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/he4eUcWHglvpZ0FqJcsz1lF0WCJuVlUfDi/nw6faqs=' 
WHERE 
  key_id = 'e4fa9a3a2856a4ad5c640db8c2a3255814c1a51d48288c451c5d85c90db0ac03' 
  AND (
    token = '/he4eUcWHglvpZ0FqJcsz1lF0WCJuVlUfDi/nw6faqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )