UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PM7Hjk1whpfnjIjTOgXcpYRUVZ/zi+jGCUPToEPRjTI=' 
WHERE 
  key_id = 'a6ca8bd65f089b71754aeb98ee40df9f9abf1e60c3c739d0cb35c81c48031404' 
  AND (
    token = 'PM7Hjk1whpfnjIjTOgXcpYRUVZ/zi+jGCUPToEPRjTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )