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SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '13daf6529db3df4ef45bc4c623c2631813b15ab5f1506e5d63b8f66365d3a4d8' 
  AND token = '800mbo4HUbyfOHkhElUVJ61jB4a1/V+66VD06an2ewg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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