UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PSaIHLKpI8MaCqY97qsSuo572eaAusrYHS/r47kRstk=' 
WHERE 
  key_id = 'b8df71b4e4f304d3cf2e743a5b15794b31e89f4b575f8ec69c0c33daa2421f97' 
  AND (
    token = 'PSaIHLKpI8MaCqY97qsSuo572eaAusrYHS/r47kRstk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )