Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '30a00c271d300280ff7c06e60d0ae53e907c7e9ec4e9ccad47b733ce694fcae7' 
  AND token = 'UA2Y6YdgDa1VXiH3RY9P+0qhWSJKPUm29xQ8VbHykbw=' 
  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"
    }
  }
}