UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lc8j92aRUcZYN/v3bajo0MtHoP7jrWzV8oliGp5RF3k=' 
WHERE 
  key_id = '50c6a617c6ba5edd35e2c2064f4cfee67b9b1a6f65d7dd721bea1307814420e0' 
  AND (
    token = 'Lc8j92aRUcZYN/v3bajo0MtHoP7jrWzV8oliGp5RF3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )