UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CgTjJeJfmfyiU1AXVd24QWrcxVsTkEAuNZ4XtPhA3Pg=' 
WHERE 
  key_id = '8ddbfa1136fd71473bb3c600277b61323dfd0ed807e8d5360bda7ee19ea06cfe' 
  AND (
    token = 'CgTjJeJfmfyiU1AXVd24QWrcxVsTkEAuNZ4XtPhA3Pg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042