UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bQ2rrTVHXzuBmebMwIxa4GDmnx3v09ocOMhF48asRQI=' 
WHERE 
  key_id = 'c8253b6e8a04861049916c5cdf70139c2fc17ee34a2909250ebc5da912589509' 
  AND (
    token = 'bQ2rrTVHXzuBmebMwIxa4GDmnx3v09ocOMhF48asRQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )