Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '63800e8f4396ad7ff68c76d42a389491b82f6bd8dae0d5919a8c784e29d06dfc' 
  AND token = 'xVx+0Or6genWbz86XxhnATGHl6xF1Xq7i6rrhJoan2U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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