Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2acd07ea662be56a7e78508153bbb46d6e78017dc7614ce186a2aeabdba3bb0b' 
  AND token = 'u7OlyF/E8UJJV/IK37N3jPot3xaS3/I5GDtuQqmuC24=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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