UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8flD2SDyx3YUHRyJfmsLEvBeV91o31gGuUg5/5U5zE=' 
WHERE 
  key_id = '46e9c1ba30a8f280b8deedc38b775cb1982b6798134486092aca2a19bd43262e' 
  AND (
    token = 'z8flD2SDyx3YUHRyJfmsLEvBeV91o31gGuUg5/5U5zE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )