UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c6XR460SQja0STSLMFksfEauI5z3VhR6rJTmr2UPXks=' 
WHERE 
  key_id = '4e2539168d2717003261d3e6e0418647f78393f643f1297ca6518a9061b134b8' 
  AND (
    token = 'c6XR460SQja0STSLMFksfEauI5z3VhR6rJTmr2UPXks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )