UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MP40uv/j7E0lDxfAD5APmTjX5575b3wo8sJdoudqQt0=' 
WHERE 
  key_id = '7e6df5fc9b4ff3ad6a2fa4ab929865a6e9e1b7832652eb3e02c77af5ea161e29' 
  AND (
    token = 'MP40uv/j7E0lDxfAD5APmTjX5575b3wo8sJdoudqQt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )