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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '60bc70a7f44224d8a1e9abcdd5285016d0898f0f7de2da20d32d2ba2e9ad02db' 
  AND token = 'MlYjAK6sHY+xiPYqyBUyLITDtrKIrLzQLfdODQ9Ncss=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

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