Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd32d2079a71430b85f522a2d9d72d0660ec5d3defa837aeef7492417fb1321cb' 
  AND token = 'iL4i0JtUy8SmxEetL/pEZhoQouGoExyxAaPBolNUfUM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00042

JSON explain

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