UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RBljhZPLD4gYv+z2HaFDOAV5A/g5VrL7R8Fo4sYFWQo=' 
WHERE 
  key_id = '4cb26c1da2899209e4fb7569c651daa688e82b429a82e31ed2c92973990bd018' 
  AND (
    token = 'RBljhZPLD4gYv+z2HaFDOAV5A/g5VrL7R8Fo4sYFWQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )