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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05f80adb4cc250c4d7815dbec75506049c0a36ddf59f39c0322a9bf93bfa01a8' 
  AND token = '1igbGRxm0/P+JjnSLPl017pItlrNnaJetHFtpeNqhGk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00110

JSON explain

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