UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZffzC386BeCRd1HcVOs6ni0Pyb4kMEJSo2F0QNBAAZ0=' 
WHERE 
  key_id = '51a3612b6cf489b803775cc132b482b3dc18801d55bbdfc1e57ee45fdfa6acbe' 
  AND (
    token = 'ZffzC386BeCRd1HcVOs6ni0Pyb4kMEJSo2F0QNBAAZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )