Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '37adca25cb876652463005a0a0658ea23b28c2db0470e37e8ea9943a03032a9c' 
  AND token = 'JNsnfbwtIA9+y3nSTPDo8cU8dSbVkOqhr+5SLGM5GK4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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