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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '62689dbe7cb174163bcc45437fbc5bcdeec02001ac95d0c6f63447d46aca946b' 
  AND token = 'UxGJEbAkQ2hveJ1a95epTyV4GzSu3j/+nbn6GMCdFGE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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