UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLMtF3vXLULM9A50OZ+xfRFvkOyjMxcnh53j7YFZXRs=' 
WHERE 
  key_id = 'e8587df944b7602a26701b0ab919d87d948fda50a19fa48d141581d2a4060392' 
  AND (
    token = 'SLMtF3vXLULM9A50OZ+xfRFvkOyjMxcnh53j7YFZXRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )