UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8fUMDMciCEqfIFjx6+Kf9lSZQQPA6GrZGob8c2tNN4=' 
WHERE 
  key_id = '3921d1eff53bf5759d7cbc36891d2ad2932eb534bbb40e4512f414589350b565' 
  AND (
    token = 'u8fUMDMciCEqfIFjx6+Kf9lSZQQPA6GrZGob8c2tNN4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )