UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9kakexLyQx7NzbRQI251BmjNbiNuTMEoHhM1t0dh6UI=' 
WHERE 
  key_id = '503b8cd84ac6b9ef638e5098577f0574dfafedf3826b3d41f573208075a0409c' 
  AND (
    token = '9kakexLyQx7NzbRQI251BmjNbiNuTMEoHhM1t0dh6UI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )