Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd06a53c89415dce4ab879842c953be4f8870161604c8c7e71c03decafc9e9051' 
  AND token = 'zsw6cpyeH8Kk7iZI2zxdSne/GTOQCU0+v+TzrnIjZzE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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