UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'REXiubiKMCL7o/e9ISjMHFJTi/UyM1qSan/1hffKBLA=' 
WHERE 
  key_id = 'ca3e60ca94a122cce2813dfcec08e73e3d1725e061e78cccb6dbe48fac6fc74c' 
  AND (
    token = 'REXiubiKMCL7o/e9ISjMHFJTi/UyM1qSan/1hffKBLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )