Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2aee096c585bdb91d2da3382869f1e81ec2b01199ac20242a0d455d1732732ef' 
  AND token = 'fpCTF3y0BWtlTaY9GvvTsYYe3XgurzdqRMbUfYYGqr0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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