UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MZ2uAkrGLTh0hxvoz1sqf0gcA4E8ViKiY88hF0S1SU=' 
WHERE 
  key_id = '6c3c4d3034fc2d54b7f55e0fed886bdb13fdf18ddaf267a7724923ffc775fc8c' 
  AND (
    token = '/MZ2uAkrGLTh0hxvoz1sqf0gcA4E8ViKiY88hF0S1SU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )