UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+8ahWpuI4lzVGGHTFrzjldbktWCI6EzCiNvadQPS9EM=' 
WHERE 
  key_id = '984aa59b53ad19d0edbfb7874125c7e947c474677b99db172e0c225839ff2149' 
  AND (
    token = '+8ahWpuI4lzVGGHTFrzjldbktWCI6EzCiNvadQPS9EM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )