Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '04096b2168029a7c635b12ec61acfe784efaae729aca75d54d5216c24f6d8196' 
  AND token = 'Rd4RAn+trN8goHJUBGhbVF+spHYafrK63nldG4YfJ7Q=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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