UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znDyju/nL8JrU9aseGKCrmqkf5e9scwzX+E5cBO5Ve8=' 
WHERE 
  key_id = '64f65b31816dd012a9a272813ff26baa04a054252d1b68589a464cde2c75a4f9' 
  AND (
    token = 'znDyju/nL8JrU9aseGKCrmqkf5e9scwzX+E5cBO5Ve8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )