UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aL4rXm8jxqAE5q7+bdDI786z9EqLtdsCmjKzE0FlNfQ=' 
WHERE 
  key_id = '81c061f80e5d163427c3d87ab0c423667e2d078d4f4aed254cbab86bad3d8d6c' 
  AND (
    token = 'aL4rXm8jxqAE5q7+bdDI786z9EqLtdsCmjKzE0FlNfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )