UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IKGI49u8Ib/mRjaH7k8BWS1nsSpabM4niF9QPMgVdVY=' 
WHERE 
  key_id = '294404d7b1006cfa6247852e54a80d744f9923856b67f572c3054b836aaa1f8c' 
  AND (
    token = 'IKGI49u8Ib/mRjaH7k8BWS1nsSpabM4niF9QPMgVdVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )