Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '6630f86518f1916ea9a3a902276b7595f392e0104400ffcda78cfa7aa8dd8534' 
  AND token = 'BXJoPlL3JCoe3pQaXYkWWv4hYKknaeX80t54hOJPfMs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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