UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B5MN6IKDEmvy+R4qP5CVWpFp7Rf30ekblcMYyPw/+CE=' 
WHERE 
  key_id = '4b503aab565b5e8cca0dd122b70605daec78affb0f4e1667f8f4306f57f03808' 
  AND (
    token = 'B5MN6IKDEmvy+R4qP5CVWpFp7Rf30ekblcMYyPw/+CE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )