Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '23225a0b53c155e40c374659e468cf69439a03a8dddfa19a4795456212afbf8f' 
  AND token = 'XJ32AHP2lfG1suAgaxt/g8I+Hk21W+SEmF7W5g0Mf0k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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