Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '49a9af03820003863bd0541eb003fcf6392e3416498464f47f7b87db16d2512d' 
  AND token = 'mHY1pf4CJkFH/i7KgjNI4FbTe6ToHxD+mG3BB4G70do=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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