UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oTer4fIRTv7s4i6rZHWSZJLlJbJ6Rnz0YWWDP7+/pDg=' 
WHERE 
  key_id = '52952d732c9ae10748cc7553c1ba664aa0f7d6040640bbe5af076fba8edfc577' 
  AND (
    token = 'oTer4fIRTv7s4i6rZHWSZJLlJbJ6Rnz0YWWDP7+/pDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )