Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1101e9182e75ab201bca9e20dc2d830304d21159913abc07b4ee60f17e86f185' 
  AND token = 'VdBTKK5wlKLwnXH/D2qW2SrujCj7GoujkekepStMyj8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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