UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uxJKaCOjxDl+71Sx/GfeaB9R4OAEZfBDEbjXMcd7rus=' 
WHERE 
  key_id = '51b27f5ae012c5912f2792f8a9e7fe3b3e90cc3b9e41a312a48640b615632a4f' 
  AND (
    token = 'uxJKaCOjxDl+71Sx/GfeaB9R4OAEZfBDEbjXMcd7rus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )