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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '00dd13d4585c32594ef782c9d624b4ceb6767d09ef852ae3369b26d211ef9993' 
  AND token = 'G8onw6oJQKj1swQzvT1DiJJneLrUMqc+EpI7To65qpk=' 
  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"
    }
  }
}