UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUb8jbSVtxzEp+LEiAU9kZFTfKEyaaJHXk4fCooVEcw=' 
WHERE 
  key_id = '79bda2a6ac2da5d56b3d13ab307de00f4a9f6ee510918805c7aa3ce87f1b51a8' 
  AND (
    token = 'MUb8jbSVtxzEp+LEiAU9kZFTfKEyaaJHXk4fCooVEcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )