Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '64cd633386ce3bc4a55bd48892f60c23f7636561ff5c56ec6d6bb02d06a84532' 
  AND token = 'VLqk0DWarkM0gKn0vp2YqBLcw6YbzKWtw/kpg0o5ZIo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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