UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4G31ThNmUtJdCvSmdUoqj8QR1Ri3vIxNk1b97RIQX5U=' 
WHERE 
  key_id = '6b49bed3e7a44be5b0688f47ee6830ecdba9beeb0868deeab77ef4b56943acf2' 
  AND (
    token = '4G31ThNmUtJdCvSmdUoqj8QR1Ri3vIxNk1b97RIQX5U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )