UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xBtTsJv81zWBpjS29RgoYnwNFPBf7s73C3vYVIksMp8=' 
WHERE 
  key_id = '16b4937c109e915b7f836a3adfd005f32df7c7dd3fdf47c892972e9fb3e03642' 
  AND (
    token = 'xBtTsJv81zWBpjS29RgoYnwNFPBf7s73C3vYVIksMp8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )