Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8bbab43f4517992328e8194072f3828c6898c3e09a5eac3290a8bf7d00b6d4c6' 
  AND token = 'wEwxqu3Oy/h7fbbgcqF3Oh4SU9IDu06kA4ql9F0WQ4g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}