Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'eaccfa3a55977bd9b06350f8133b723f535150f7e01d7b776fc079d55bfe1af1' 
  AND token = 'Lpk5Ksp+g0Dwt0bcUhJbyOsRKX+1pOld/R0x061jz/A=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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