Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1398624f70a00152d750b9a0102509e4f47478353ae4256fa31a9ad6b70361ca' 
  AND token = '+JQCJ43il4MiSpIpsF33Hv7h9mbVjUSnq2ln6ThZ860=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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