Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c24d534c29e820c6e69f4ff46ffcc7bf3ddda610fbd29516000a7ec7b3a0bede' 
  AND token = '1DG/tejvjog0DbXl/9ut3NdGW/7HqVcgcKBx9BNdH2M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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