SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9fa5766347861a654c61f1fdb1be25af97ef5f32221b5a6922909149b3731655' 
  AND token = 'axFoT0W/q5J/Uk3aWvYALyKTAlKYGlYd+WSdd0VVz3Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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