Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '522da0a649379217fd58c804954aa428f825e88b5b935df0b41fd12f088a8811' 
  AND token = 'SDQ4xiyMF0BYQ1/D3R5rIQi+hFYkcGLXBZHSNaB/dJU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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