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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22fb39c4c6ac26ccd3123ba4f3787f6b31d6a42dc78b5d798bef538d93b9fc29' 
  AND token = 'E7NgCi6V8oZMyjtEKwpMEDCshBNQmX7CJjM+c28c3L4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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