UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iqzLRaFAw+W0iv9kUcCjWBu/Qg3AiPndy9+y6imKPCc=' 
WHERE 
  key_id = '5209cb159b4296d837d1372f68f0634afa878320462b3715ac2597b9ebc8279d' 
  AND (
    token = 'iqzLRaFAw+W0iv9kUcCjWBu/Qg3AiPndy9+y6imKPCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )