Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2db60fe535b64f02795cf80f819c0ab97711f32ba6bf378465f2d3410d751449' 
  AND token = '+rYyOJEByLO/q+L4NXDr7Ftto9aqmNt8PF7aqhk8iyQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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