UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZnjVq7LK9a1h6IJYT/Ie+myGGmGbkrUa2OPJJWxtKk=' 
WHERE 
  key_id = '7a1267476e4cd9fc92e3d893995a334fd19c9763d0129aad58e821e715bcb4e6' 
  AND (
    token = 'RZnjVq7LK9a1h6IJYT/Ie+myGGmGbkrUa2OPJJWxtKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )