Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '13a1ce087628a627f6d2d4eddfcc7f5f9ac51160f6a1d9c3a5c715bf1efa650c' 
  AND token = 'cle/0z7JOeYUMF/uy/qdhKqd018xNiEhjY2HsyWXESg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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