Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cca906f2f366e2edf3aaaeb0f0ef8f70b2bf55f20fb94aedc09b74646c1d1591' 
  AND token = 'F1ssZWRLBetOxlt6/VWD9Udwp19LoH1FGsFw566VVNE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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