UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yxz0NOSnZzt1/zbpqCe5mGTO5LQS1tmVyl7s0K4uRX4=' 
WHERE 
  key_id = '6a51a5a72a8934c324dfd9f78084c3b34bf73b100dc75d4057282a745b1f6f9a' 
  AND (
    token = 'Yxz0NOSnZzt1/zbpqCe5mGTO5LQS1tmVyl7s0K4uRX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )