UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mCbgC8OMqEHjYEp1x77excPgT9T69TKPuxxfKLnKzdg=' 
WHERE 
  key_id = '302083a497890db28b9a99c67a2d1da8c4e0bb7fc5512c5f1675d17de21f441c' 
  AND (
    token = 'mCbgC8OMqEHjYEp1x77excPgT9T69TKPuxxfKLnKzdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )