Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'daf95c409a2969f0e6ed8877ed75ccd7c2ec5e2ef613b3fd6cf03280ff32dbaa' 
  AND token = 'hyo0dzP8kM4Gl+yfn89ceaF+AnuPBTRUKHJLf795Cc4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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