UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H4d9asfAbA2x2v51jGhiRWXdD1Dx+J7ykq5PQqoE0yI=' 
WHERE 
  key_id = '40db597dc8521fcf4f2cf30f6184779d8a7be9fc1d1888417b8708923fd21967' 
  AND (
    token = 'H4d9asfAbA2x2v51jGhiRWXdD1Dx+J7ykq5PQqoE0yI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )