Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd0ddc9bb47a2988a4160a9618dab4be60c0c52d19bf0fd849a24e60da4367e9a' 
  AND token = 'r7hduH7JNRMC8gt4aWDAfbasXiLfF+v/g0Ris6tmges=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00091

JSON explain

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