UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '871XkmWkPXiTK/BgiBZAOghsGCC1mN1Uy7O8vFjLA6A=' 
WHERE 
  key_id = '7a9bb44a41aba25fe0918eaf95eab54003180f496317b4be92a67c972b44ebfe' 
  AND (
    token = '871XkmWkPXiTK/BgiBZAOghsGCC1mN1Uy7O8vFjLA6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )