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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '641932cdc0f0c0dc9f21723a0d8e518a13a9990cdb832cccf22fb3f943ee0160' 
  AND token = 'G11Q8aNIcDZMa96P3qVAX35EGG4Ldi/YK/3c+HzoNkg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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