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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '22a826674f100aea16d79d8b3cdfd3dee44c9a9d54e9cc340f532fd516715aaf' 
  AND token = 'J4LAS03a/sl9GhnEgjArx/yeLRxqhH1z1pu7DgNS/JM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00009

JSON explain

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