Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '17aa794eca7cd51e9b65d34903240a2acbbaca9fff044121df803d6594d08060' 
  AND token = 'Y7NUU/gQfEgrnO7pMRS9Wu2gqe4LrrodkO1X9onR5yw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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