Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1a805f4e485cbd2f772a258e25c5f153ba27dd5cba635d830a3933d5983e8262' 
  AND token = 'yE02ofOdLim5trXZatp7jLsJz0EcQ+O6KknzZlzRB1s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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