Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '145b7934c123b89454dad603e17ed2c1652556330acf14d3bc4d7bd586f39190' 
  AND token = 'T4AfOuo78OsbOF3t6ApxvoA1VisGg/xz1Q6ocwyIlmM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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