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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '2bd1c8c169044c0adc595aa934d8825f2f33e9cb713df7f808aac9aeb130720c' 
  AND token = 'sGn5oh0BW6AFBgoEv873b5lMDLROybI/nGa2B69ynKw=' 
  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"
    }
  }
}