Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '25165607dddc295b208f003c4fe48e55f08108eb45fb33637552172b345cdf8e' 
  AND token = 'F3TXH17GqTLAE7kwWf1LSaseVFvWezFz5HD4weyYTbY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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