Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cb2ffc2d543d99d44e2a97f4f816d7cd0d29f9ed6c25b033520423e1be313bdf' 
  AND token = 'jKEbsMB6+2TltJYkNYX0524bJv1cB7lrWMPmjojvKlM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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