UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm0W9+lfTi1AagvdXt5Z3wLaGGjZ9DiNu26NqCiS24X0=' 
WHERE 
  key_id = '876324619b84452c7923b19cca8dabb354f9ca3454815fc5665619c40cc26768' 
  AND (
    token = 'm0W9+lfTi1AagvdXt5Z3wLaGGjZ9DiNu26NqCiS24X0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )