Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '132cd177c4bf910107d10ef1627d974c7fec2c8527fb4a239aa50465cd4a217c' 
  AND token = 'DihO1jzffZh1n60MHb8wHwN2tFe6L4AyNs4ln1wTogw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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