UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nkec4MNj0VJSH9VT6l/UZYwfEvGDpgfI8ireI2bjcZI=' 
WHERE 
  key_id = '6f498d36262264cb79d513c313e43e60694e36f5c02b6d343a4df6ce0239cabf' 
  AND (
    token = 'Nkec4MNj0VJSH9VT6l/UZYwfEvGDpgfI8ireI2bjcZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )