UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'od2nyH8mP3uZN80jdLB4CMtTEQWk545cRBk+2DTdk9g=' 
WHERE 
  key_id = '2387df6bbcb916fd7855b8d400e9e4ef4f622e45816e6b6f8a4f1ccd19a58d2a' 
  AND (
    token = 'od2nyH8mP3uZN80jdLB4CMtTEQWk545cRBk+2DTdk9g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034