UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+iB6w5kXoO/u987qEjjHMrsPT4Zq81bzFYdOLFEgLY=' 
WHERE 
  key_id = 'c6fc74cd32d30eb83c807054340b1c6aad8191f88511b6e4601c4e3ebc3942cd' 
  AND (
    token = 'n+iB6w5kXoO/u987qEjjHMrsPT4Zq81bzFYdOLFEgLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )