UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kh8VsmabYCye0OEky43dUqaoMchLRCCqy0PQRymuVbA=' 
WHERE 
  key_id = 'dbf52b0f320bfcb90e47d97cf25bc3a869f4dca9cfe0e8460303c66412b1a4bf' 
  AND (
    token = 'Kh8VsmabYCye0OEky43dUqaoMchLRCCqy0PQRymuVbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )