UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18u4BVUVEXVj4zfl0IbBXKMOlmp2bRjRfXB0bLxZJLs=' 
WHERE 
  key_id = '1158f1e89658bb7b96587eac0d4970c7325971935bd73d922a41d20931c982d4' 
  AND (
    token = '18u4BVUVEXVj4zfl0IbBXKMOlmp2bRjRfXB0bLxZJLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )