UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iZfwkXJGFglCQocKxYjANL48bGFHx05FHq8MdTJaUak=' 
WHERE 
  key_id = 'bac79ca51b14c27f02b0ec963f3f8683c96f65077321f4af107a56cdfd909989' 
  AND (
    token = 'iZfwkXJGFglCQocKxYjANL48bGFHx05FHq8MdTJaUak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )