UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MgoRUE5VU02pJ0BLQsuGALdWTcykbTJn+2frWf7VX7A=' 
WHERE 
  key_id = '7c83004bb909da288d301e884374e73778c179b5e27f4cfe11e6a997840b2e04' 
  AND (
    token = 'MgoRUE5VU02pJ0BLQsuGALdWTcykbTJn+2frWf7VX7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )