Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '09f8798746516c6e19fd10bbe5adf9b2f806e59250223f08d2d16dfc0aa93ef6' 
  AND token = 'ntQnGazAMDP19gFAtPbVBHH4VojZFuRJaan5LC+g1WA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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