UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DthH/x1cDn6YQ63zVKa/rjOjqQzruq4HEUqbWZMjeTs=' 
WHERE 
  key_id = '900a56b686cd62f0d6918f89ccf1fd2687889392c3f7935bce19a4d99d9a34f8' 
  AND (
    token = 'DthH/x1cDn6YQ63zVKa/rjOjqQzruq4HEUqbWZMjeTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )