Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '75a80e963f93587a0757cbdb58407628bf94f9b7196381750354c4200fc5f9e5' 
  AND token = 'dlu6xdRRmz5We09ABRUDolCUnc849lY7Xaukc4xr5io=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00012

JSON explain

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