Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '80629b099a9a7aed37391c37997ed4f7bc819f336100e1c02c0bf4b809eb72e5' 
  AND token = 'F1P1crulq3EpEPl/yIg8h5R506mdiEZwplPmw2Jkdo4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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