UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1OQPgcbJgDyBAAYYJxyEmJXkOY3O71r0ri0KamDecqk=' 
WHERE 
  key_id = '3c3ccdf24ffb4924667d35462a25230e87b6d35b2561eede0a438a97684bbb24' 
  AND (
    token = '1OQPgcbJgDyBAAYYJxyEmJXkOY3O71r0ri0KamDecqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )