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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = 'beebe046c0e04a7cfb0b55a30887f9332a5cf6bc6bec1425ae5fda01a22e16b6' 
  AND token = '5nlXB4R8FOcgvGjnr3IBTR9BqRu8oEBVicDknfGB9co=' 
  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"
    }
  }
}