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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '8410a8297036927f0f8bbe0d3a10f8203e91d03c2b0ee984c2384f5d598b68c2' 
  AND token = 'ek501ATEu0cAwzXUx3iGv0ghw8PVw1YX1AJqHkhuJd8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00011

JSON explain

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