UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3Ntd0oukxs4NaSCSGLLfqxJLKxhcIo3m8HUVuXqYeOg=' 
WHERE 
  key_id = '81760e99e80d5b46eefe25b0679ec33f872e3e018dd98bd7c7dd362590e25fbd' 
  AND (
    token = '3Ntd0oukxs4NaSCSGLLfqxJLKxhcIo3m8HUVuXqYeOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )