UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ploZnu/gVjhnmg4YZNFNalcLE7MzxuxW9vae2Dix8Fo=' 
WHERE 
  key_id = 'c53484a152f9a06148b25b0d99904dc371945f127de7c0193065f7cea7296430' 
  AND (
    token = 'ploZnu/gVjhnmg4YZNFNalcLE7MzxuxW9vae2Dix8Fo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )