UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KrV2zS8XAZFWwhEnMpSzYCjlmnnmmqcZpXzp8Mjy1yc=' 
WHERE 
  key_id = 'e55b71384d212a524b20f4f4c82be58e473a79cc45c74f896f32ddaa7cf81e2a' 
  AND (
    token = 'KrV2zS8XAZFWwhEnMpSzYCjlmnnmmqcZpXzp8Mjy1yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )