Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '01bef97982421df3f67affead1626507c5daaef7f8b962f25b1d820ceea360a0' 
  AND token = 'BFpbDtR3ya0Iq8dM0UWH/nXstfZ8FKtfvX3w39ln+HI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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