Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ea7c713c5194f428c8a99fe686f00643a9b4ac11c81e7a9649702cda618b00f1' 
  AND token = '4YZhbQzCthx96PPbGwGhONLd7MD01JIdDa23O7LMQFA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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