Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '22dd34870e6a06b1448e80221542ff4e20c5892029903939fb0f0a0eb5a7e657' 
  AND token = 'mZk6NM0KvykEhyGaC6lSEdoNI4c4/63hXSBHiE7e9GM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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