UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n61QSUPdCffDmfEVWf5McVivrRLME8DfdRXruieeS6E=' 
WHERE 
  key_id = '6c8b1534ae579748237b37213b0187d2352cc1403047b22896520a3f32e77e2f' 
  AND (
    token = 'n61QSUPdCffDmfEVWf5McVivrRLME8DfdRXruieeS6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )