Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aeb6475cddefb7a1288a48113c6033a82e55754561c4a11cf6cf7f004ab157ef' 
  AND token = 'L3ImQdeiOLlqjBeNtXkXBvMA9xsdOtPjYH9MbwxRsZs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00081

JSON explain

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