UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Istb5i4JbKq6USxa1riNs4a/EPlkKeD12L2q9ZD4Jaw=' 
WHERE 
  key_id = 'b6d0f4dc2b75cb631242f4404699300090b9117bd7431bb3c6eda6a3f87aa2a0' 
  AND (
    token = 'Istb5i4JbKq6USxa1riNs4a/EPlkKeD12L2q9ZD4Jaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )