Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7da72fe1a82bca131c833ebd1f12babe6137ac6f74c1d7cc661ef0d79f872886' 
  AND token = '+khWNs1CjmZgNdw4s1MubLQPH6Bll6p0b5eQe9F0E8k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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