UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6Gs/mKp7OwNaEmJtlNaRzAYM8IJ0chIqGxzctf6v5U=' 
WHERE 
  key_id = '4556809c787aad3ebdc31da0e85a69ee0b272b0b1ae53078016e5f6be3627367' 
  AND (
    token = 'U6Gs/mKp7OwNaEmJtlNaRzAYM8IJ0chIqGxzctf6v5U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )