UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYGrxBiatVKv66+WWuskwD2zSX2VcObfIXY9EvAebis=' 
WHERE 
  key_id = 'a0f89e880561e057f919b54bc9e314391c52798791927a78e85caa86a37f21d4' 
  AND (
    token = 'MYGrxBiatVKv66+WWuskwD2zSX2VcObfIXY9EvAebis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )