UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mrRBmW7t3SpfSYF/vomkEv0cicAkPsJdO1rS8fCva+A=' 
WHERE 
  key_id = 'a6c35606e8efc48db75c9337a209e77e0e635cf0b4f583b9efcd1df59e68f6c1' 
  AND (
    token = 'mrRBmW7t3SpfSYF/vomkEv0cicAkPsJdO1rS8fCva+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )