Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e00986016618856988843945dcfe1b17cdb66afd7128bc8f60cbec5ecc58c663' 
  AND token = 'qMZ5fwxRuNuh1sa174W4K5y2loZ2fAW7hJIaG0V2zIs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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