Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9769e95e7156f2872ba9b01a52280dba55f4a0fce7d5ef5bb1db4657aea66f19' 
  AND token = 'Be+N9pZNwuJJ/DW53KM+mbECvSqyCHXFs0MWRFd8B9I=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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