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SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '3bcb22dc184a42c4f06d46471fe6a681103cbeb1aba5b29c3ba27fef60fb0941' 
  AND token = 'djPv/qMQ7WGFFPSTFnyIeKKWKT0pbbwckmPaNJ2Fub0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}