UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '55KmMQyVM8sEpy9lJH+/H4zScLUkS/amNpb4cfmDFEI=' 
WHERE 
  key_id = 'd9f0b5925bc6b21aedf16c53a23bdf0fe6e344f6ef6a74c1b284637b453946d6' 
  AND (
    token = '55KmMQyVM8sEpy9lJH+/H4zScLUkS/amNpb4cfmDFEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )