UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EDU+C1rdN92e5crv9iPKhEU4epPK4g/77KhOcNTnDRM=' 
WHERE 
  key_id = 'e6805bbb8a583e9dbfcce846c094ac67f83a733ffa32af3d2fef04b373f6f3bd' 
  AND (
    token = 'EDU+C1rdN92e5crv9iPKhEU4epPK4g/77KhOcNTnDRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )