UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxlWxeKTnYhTl+pVRyVubteAPa8d0Alx79ngqfmKDrA=' 
WHERE 
  key_id = 'a1991ab2cd047cb145421a20bb62e70d0e848e42ef2fe5d554badcfe8ee9a51a' 
  AND (
    token = 'kxlWxeKTnYhTl+pVRyVubteAPa8d0Alx79ngqfmKDrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )