UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fr7X0V4IqklKtkvBNDsyAmWYq5VCufSxnkAIFlQtWNA=' 
WHERE 
  key_id = '4a3c76b077243d1ec79d3d2bd48b88a06e750c5b756fc6324f7a537b14a9d49b' 
  AND (
    token = 'fr7X0V4IqklKtkvBNDsyAmWYq5VCufSxnkAIFlQtWNA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )