Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'db82f037c853510d0d58c23a6ac5953e511ff5ecf24d2363afac1159157c3194' 
  AND token = 'X5UHZyz0b+RO5i+fMc3XWlw2g5v2k7kJoqswUxYeShM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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