UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P81jFxaIQ+DxNXCht96YQ+dJN3jeNDWTpUAQV5rHhgY=' 
WHERE 
  key_id = '9b8c3d54a1d74e775b2ca5cc8b8e762c7f2c5680692491e8d862d402d6927043' 
  AND (
    token = 'P81jFxaIQ+DxNXCht96YQ+dJN3jeNDWTpUAQV5rHhgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )