UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RAaIiyY44wgRKCZZbueKD3YtBxjW2zpyIyRTuHp/QV8=' 
WHERE 
  key_id = '49a549938d0a05199e08eaaa7a12c5d5df52a875afb81d8e074e9c1083f65320' 
  AND (
    token = 'RAaIiyY44wgRKCZZbueKD3YtBxjW2zpyIyRTuHp/QV8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )