Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '054819c6f35f2e405b58160104269c55c35324cb4817d8d5314577293ece555d' 
  AND token = '4pDYTqSxrD90nbwz/yr9VZgN0jSl1f/u43GI/zksFoE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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