Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '74fd2eb6216075b8dbe4fb37c8ab65e1d2ec4d65e9f35f1cf5279b96bec414a0' 
  AND token = 'lP5Y/uftj987ZotuYWpV97sZY8z/Ex9deosHJgAVlmM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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