Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'aba59da915ef92faa7825da8abfe170221aff6e5f3b716bbb149cb80b535cd65' 
  AND token = 'lWI+he6Y+75zIXePjgVO6RtjQBSRAlQ/Aaytea+FXVY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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