Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '537a36029c3ed19432cb55f20d77a7a2c302290bd9a30728efaf094d3c981c06' 
  AND token = 'jCaxOBUVKRbaCl4TR3PhmIUH1ghPm+EwnuAkFKIErcg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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