Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0648dfb84c72220cf71e8dc7022ad5f712400ffc9190c3140fec605480196b01' 
  AND token = 'rtY5wASnoEFvWmE7omL0TMI4Rvcnu6J9lG71f60mN5E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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