UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yiWse5rxVnOEywpRAxKkZOAsFWdq2gnJJA0XVJdsCrc=' 
WHERE 
  key_id = '1976d842df1fe89036db66d5fa371eead0c9211663ae46acaaee9c93774e1b95' 
  AND (
    token = 'yiWse5rxVnOEywpRAxKkZOAsFWdq2gnJJA0XVJdsCrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )