Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = 'f4d16399c7877f6cfaab65e4e8ca53caf92b77040fd1e414171edd2429890874' 
  AND token = 'KN1NCQ5CX1mzrVD9JlTr3xlt9vG2zJQQxzEUdbQ9GNk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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