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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd1bc1d1eaba96c5714447aecec5c89361bc0186f576aaf95f898fa9be9fe9f45' 
  AND token = 'zcwcrzyiWBNu8gOfQSkKP2414P8Vt9w+W7jaZlD9QaU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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