Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ed45e12f4d6802e0bd1c74dda18e074f1f6699a6f7f11077b58942f763d914ce' 
  AND token = 'JpPkMURkweh1w8+No53DBLZ5W0x8m/shb/8tCBandZE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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