Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'b180217e81dbda3640859208f6a9b85515bf01fbcfd70fe82466e96682d14e48' 
  AND token = 'ZUmn5Xf/MSuGEBa1sx8SAKhvsrRKyyq0nYE7H14b310=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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