UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IGs+lY3guKjHqZIZJRh/kCdxFCXEjfeN3CNCORl/5+A=' 
WHERE 
  key_id = '0968a86e8227b18118c3ab002383255db007353f1f2493e0d9403bc0ea7e6499' 
  AND (
    token = 'IGs+lY3guKjHqZIZJRh/kCdxFCXEjfeN3CNCORl/5+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )