Sandbox

SELECT 
  1 
FROM 
  cscart_multi_declock_keys 
WHERE 
  key_id = '25e196d47bf90eca392fe021b13de3662006d79e1865bc84f55c2a26e37cacbd' 
  AND token = '8Nnt9lMlLeKE1SwW0KnX7FX9tLtFIz8jTZ6+5i4lOsY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}