UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUeBBxws+xWnoz6js4IkVs7aO2rf2XMhB6qUAwTulTg=' 
WHERE 
  key_id = '2c51239d8ca7c442d27c2cb9bfa9afc62e6ac2f1aa870b9181673544f64798b3' 
  AND (
    token = 'nUeBBxws+xWnoz6js4IkVs7aO2rf2XMhB6qUAwTulTg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )