Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'fb4b13df2219cdfa1a2f373552afd8745131e3f6cd60f7dc81f0f89501bfd131' 
  AND token = '/pawrFpULF6E6CBiSjPfvQdedw0dPWf+t+pMHyyZzmE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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