Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7cffaa190a0de32c7d8999acef525e3aade7422515914c411913dc30874a1acd' 
  AND token = 'axqaUuDEG8t1RV6zTpAa7Ecc88U0jAnh+qD7CC16Jz0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00057

JSON explain

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