Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ac1d69056527dd50eb135c8ca89dafbee09b84c4d64e4c7ff94b1f6e22976d9e' 
  AND token = '01e/fHMV6hdjuduJ9deep3r4VPW5V7t/re3ZtiahMac=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00054

JSON explain

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