UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3CMylDRn2lKKrdUdtKYNXTlQ3KpTLQr2xCJs1ZhnJtY=' 
WHERE 
  key_id = '53c445afaffaa83536f7bd33e565d2395cf14628b537e2c4796645b2612f855d' 
  AND (
    token = '3CMylDRn2lKKrdUdtKYNXTlQ3KpTLQr2xCJs1ZhnJtY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )