Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ad4033a69b1dc130374eea94f1c133485f418eef041b73d880e35ab67c865a37' 
  AND token = 'IJoF6YvuNtEI0+NTfgxrlqSi4f9coi4jxyb79qt+q7c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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