Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '930f84c77bcc2044e0c1076ac4cbeda83581d341583ceed05b7917b3cfa79a6e' 
  AND token = 'rPHLU73tXVZY1toO4ssRWKb+p/f+gJKbrNcOudr/+JE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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