Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a4ed855d202fd2c802990556aa2a1dd06ced5894c56a8186fb9f947a766dd1c' 
  AND token = 'GkgvfoAnieFYvVGjmg3tys1wyPlJrfNfr4JTfpaW1iA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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