Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2651cd984abd4a89176d9a98967aa64aa2567d563bc64c66b0da49a7a100b332' 
  AND token = 'Pjy6wwoWHH5JPkJV4yUNKwD4C170EMYRoWfL2+RZR2I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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