Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '84ca4ea80c940cb64406532438c5f8f8c0c2361e71388b6eebe268bad11c8502' 
  AND token = 'fDsjZFLfdxWE0ialR5aF/CMRaYVEmIO5BsSisKmh+Oc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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