UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E5cHfPvNkADiC7pfhymB/7cYFXB16qY90zIfvH45uus=' 
WHERE 
  key_id = '536b81e42590d484c2e377efa23c15866999796510ea104d3281b76eba76b043' 
  AND (
    token = 'E5cHfPvNkADiC7pfhymB/7cYFXB16qY90zIfvH45uus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )