UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gzF9PiEmmqHBeTOYFjGuPxM1oapu98ZfaU6DY0fmVMc=' 
WHERE 
  key_id = '669c6fb5db44a63b610facc47b1ee5e72fce9583d6ab4b5f45d1aed062f06f44' 
  AND (
    token = 'gzF9PiEmmqHBeTOYFjGuPxM1oapu98ZfaU6DY0fmVMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )