UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrvTlnV/HEmh0dJl5F2qlJhlUdKDBC3yEIQCv5NUvJQ=' 
WHERE 
  key_id = '96d494fa03e47451195624daed23501c83dcf3c8bd4e70cf36d82dc35adaa42f' 
  AND (
    token = 'MrvTlnV/HEmh0dJl5F2qlJhlUdKDBC3yEIQCv5NUvJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )