Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0ebeea8ab7cecde11c29fa0134ac20d20efcd5b8d3415d03e47caf4c99b44cba' 
  AND token = 'fTiGrS0NTfCQSMchUmkabFUbrE1NxWnAQX0/1vjrAaU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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