SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '80aba857ae8687fc2bfef6fb82a942eba599859abb655d0647fec23e62cded01' 
  AND token = 'V5SG7rPx7mUNID4YAXp3dOzUPLjPJW2t7/qBz3w3d1s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}