UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2YxCt5bT7jBIovxQ52MWvvdqEBUEajXPaBv2e9KNzA=' 
WHERE 
  key_id = '59ee794ee08614e5aa2852c6d93ca381695880a3a3a8f456ff90ec05267ca14c' 
  AND (
    token = 'n2YxCt5bT7jBIovxQ52MWvvdqEBUEajXPaBv2e9KNzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )