UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lEdwqr8lgs9zIa6KOTJCPYLJ5UIUHYv+tejGpZ9DYWU=' 
WHERE 
  key_id = '81ad8086ca4d48058d184b7612e29f405eabba2995dd7bdf8f552992296fc249' 
  AND (
    token = 'lEdwqr8lgs9zIa6KOTJCPYLJ5UIUHYv+tejGpZ9DYWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )