Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '42159b279a073da8fcebd4950415fe4eff510fb591059156eb73bf1450182fa6' 
  AND token = 'uNu1BTL1uhR6olGw5FeyuBRyW92l6/djcO6zCufS9Qk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 4.23803

JSON explain

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