UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'keAi36DwsgKG3+pbTaBSeZqs6cryELzko9twMaOmEuU=' 
WHERE 
  key_id = '51a7b54956e082ffa786f6d8495b38070cd63fcd2935d913b3b08904c12514b6' 
  AND (
    token = 'keAi36DwsgKG3+pbTaBSeZqs6cryELzko9twMaOmEuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )