UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kw9q8DLZLy9Up9rL6953zkFqeUJo57Lqbf9PUCzoTE0=' 
WHERE 
  key_id = '4938efd2a9726dd947bb9270fbdb3a7a81de251f640211a033e550f3156bb1f5' 
  AND (
    token = 'kw9q8DLZLy9Up9rL6953zkFqeUJo57Lqbf9PUCzoTE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )