Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '59beaefd6303246dff9bc85002f4f1ae984f81b5609a265a9fd1dd5e442059bc' 
  AND token = 'vnHy8o3vAU52eAxBb1mMoH1Bjy8dS/Vkmru/FxJJjto=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}