Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0965a9d8b193e632e8db4c78b42267179e6b4d554364f7d84887c57c971ed767' 
  AND token = 'y01H0zfrhnOsAwB9O6sIt3aIwCpT1mgaWrBOBF9UFjo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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