Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11b24d9a33583ba9f311aead949fbb2394513acb31010fd3617d0ebbe3673c9c' 
  AND token = 'v2fAuheXi7IoJZXFDtV/8l4Q7xviyQA6rUk1avYeEJM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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