Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '130efcc170f842818fbc5c53321f76d4fd55cc9727ffcf3527a2d0f6363d7f75' 
  AND token = 'SISFrSwOWJxDYN4+4jDUJGckyk1JzDdhZ18uft5wA9E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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