UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RU/mdl6u+11qnsGLAk2MDHjvXAtjSTYB0HMo5nbw0T4=' 
WHERE 
  key_id = '439b34de12e07b5ca8735781e91f0c09318187838dfc4e13caa7d02ddcbc3e2d' 
  AND (
    token = 'RU/mdl6u+11qnsGLAk2MDHjvXAtjSTYB0HMo5nbw0T4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )