UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6K80DNNbvFpwM9WIkkA8Kb/0xegZyoVC5U1jmZ+0M94=' 
WHERE 
  key_id = '46d7350fa4321647d84aafb84a95d9f123d51d51871a410d3c7f94489fdb7831' 
  AND (
    token = '6K80DNNbvFpwM9WIkkA8Kb/0xegZyoVC5U1jmZ+0M94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )