Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'bca09eb25c633c505cb3d998cd35d7bb6091b94b70691dad1f2f3d8e72578b6c' 
  AND token = 'YCpN7C78vehqZnUxsEGceK6hFaAEKjYq/+do78Dx5Bo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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