UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yDTfU6lHEDUBxf5idOEZZBMF7Gvn4bt/FJTKGLcthcw=' 
WHERE 
  key_id = '50597a9f358753d8b9f309d2a243feb63881f3f0a9e5616c5ef7e099c44d3346' 
  AND (
    token = 'yDTfU6lHEDUBxf5idOEZZBMF7Gvn4bt/FJTKGLcthcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )