Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'af4722bf5c2d0475810ac403b8fc55ec2eb0563eabbbafd3c64b3623b3a1132a' 
  AND token = 'YGd+SDMnUlJIHjeLfT4ThTOoQAVGWgDA1MubQSoItQw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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