Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '307195f21df9da545695b2f3fcc54d3fb9f6ee75dd1277a2f3270b07f60ebb79' 
  AND token = 'imVP6SqEli7fBUCeYm8Eu01uAtJoe/77NOnhGuMc/lo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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