Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e3a0c49ba0307bb1e8d8d05fa2b5988a7c4277ef10e0829158203f13e2032c8a' 
  AND token = '+S7xlhLX0BJAqJBHMjnl7bzqlYx05MbiAxEg82hbfFs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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