UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2CGgn2I2V/AH9GjvdpuILkuJlr5wd9cFG9Nonty22Y=' 
WHERE 
  key_id = '3b9e0d1f4b07f60d3c2efe1c7e55faeed8ec8b1a720e1845ea45b7a502351513' 
  AND (
    token = 'k2CGgn2I2V/AH9GjvdpuILkuJlr5wd9cFG9Nonty22Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )