UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R3FDtuwOifyT4AclsY6ej4w8eYzcgtACIhu/3HhVHOQ=' 
WHERE 
  key_id = '3316c4d15fac3a168e9e330b55b078829eb6f049d4d5925b287523cc6401b47c' 
  AND (
    token = 'R3FDtuwOifyT4AclsY6ej4w8eYzcgtACIhu/3HhVHOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )