UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eNGkDN5eHU8Q7eaGtS6uHsktqRDakpGaqWICTReht+4=' 
WHERE 
  key_id = '8b7e4a473290880338df416bc47b6a47ac1f7f96940f363be4446886533d848b' 
  AND (
    token = 'eNGkDN5eHU8Q7eaGtS6uHsktqRDakpGaqWICTReht+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )