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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '563ddd577d18f305b5deb1b0871afcf95c9f367a7f0f3fccf3463ec2c5732116' 
  AND token = 'SU1QPC8tiezr9h3R6JMeGTaLTizUx/1hywhu28O1osM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00035

JSON explain

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