Sandbox

SELECT 
  1 
FROM 
  cscart_multi_declock_keys 
WHERE 
  key_id = 'f05f120e79c2a7addd4d15aa29947d983264bdbf29ba85cce022b35d328807c3' 
  AND token = '4IiTChPmtyd5WaXaB6F6Nk2QsvuSyXFeZ4NwR3nVk/g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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