Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '64e9cc0ec67e158616687aa82ae24f16d52c1b5214331a98819156953faa272c' 
  AND token = 'jYIH7VL2A0Vwv00tVtTv86wmKQ/n3xnXcH7HOqSgwTI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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