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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '95ddd89b184cd7216ce3ee00e1219f5ebc746302131b42fc9bf8f9f870582dc3' 
  AND token = 'RPmWQ46cZ8SQnl+L7E3pjWYxc1OcRXx3Fr6kPQIOiQs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00012

JSON explain

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