Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '00485ff4714fb46b7d586f73e0a6782371fe66a684b6bcfc4455c5fe6f1c2765' 
  AND token = 'cuNwou2tHwiavAc2YgxVoDk1L3ZJ18V9Ru3YG4B2i0Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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