Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0fd69b2918a27d56d408330da44dbb0c089334c06f17553e488544ceed88a984' 
  AND token = 'cx/kMvnGaa3MPyE/NtqExI9Ar3cD9+4EqdbTnRtaL7g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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