Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0cce2cdbbecec1adb2b7f7548bd5a5cbd98306bab71ec57ca5bc9b7143350054' 
  AND token = 'LOReazyEpDgqsf13RtFmnqHszndSzOWAGjpRx1kEyhw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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