Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fabb97fb0ece1af54496d35a8b294a666279ce7c127534488d6cade8c36b7714' 
  AND token = 'jUhOeIiIkKdS8Bpxb/MixoGruWOVmMW7WQDvrFlbuLA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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