Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1fa431d596c6cda58d378869ca6d9bef91bb5db4337ed10986c531f71f50e37e' 
  AND token = 'AYjf42IfGaZYmFd/1fE3w5Ex6ZJlimz5unV3iUNWheA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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