UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0zvcgF8w4rC0cDq0CfXsNi1U0JdENsgCad3Kyzn1kvw=' 
WHERE 
  key_id = 'c0521cfd75a85f33d469ede78745c52f0c14560f97fc89e53c3f74077b9faaf6' 
  AND (
    token = '0zvcgF8w4rC0cDq0CfXsNi1U0JdENsgCad3Kyzn1kvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )